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<a href="qhttpclient_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * qLibc</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (c) 2010-2015 Seungyoung Kim.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * modification, are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> *    this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> *    this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> *    and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> * POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment"> * @file qhttpclient.c HTTP client object.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment"> * qhttpclient implements HTTP client.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment"> * Example code for simple HTTP GET operation.</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment"> *  #define REMOTE_URL  &quot;/robots.txt&quot;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment"> *  #define SAVEFILE    &quot;/tmp/robots.txt&quot;</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment"> *  int main(void) {</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment"> *    // create new HTTP client</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment"> *    qhttpclient_t *httpclient = qhttpclient(&quot;https://secure.qdecoder.org&quot;, 0);</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment"> *    if(httpclient == NULL) return -1;</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="comment"> *    // open file for writing</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="comment"> *    int nFd = open(SAVEFILE, O_CREAT | O_TRUNC | O_WRONLY, 0644);</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="comment"> *    if(nFd &lt; 0) {</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment"> *      httpclient-&gt;free(httpclient);</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment"> *      return -1;</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment"> *    }</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment"> *    // container for storing response headers for debugging purpose</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment"> *    qlisttbl_t *resheaders = qlisttbl(QLISTTBL_UNIQUE | QLISTTBL_CASEINSENSITIVE);</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment"> *    // download</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="comment"> *    off_t nSavesize = 0;</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="comment"> *    int nRescode = 0;</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment"> *    bool bRet = httpclient-&gt;get(httpclient, REMOTE_URL, nFd, &amp;nSavesize,</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment"> *                                &amp;nRescode, NULL, resheaders, NULL, NULL);</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="comment"> *    // close file</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment"> *    close(nFd);</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment"> *    // print out debugging info</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment"> *    printf(&quot;%s %d, %d bytes saved\n&quot;, (bRet?&quot;Success&quot;:&quot;Failed&quot;), nRescode,</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="comment"> *                                       (int)nSavesize);</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="comment"> *    resheaders-&gt;debug(resheaders, stdout);</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="comment"> *    // de-allocate HTTP client object</span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="comment"> *    httpclient-&gt;free(httpclient);</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="comment"> *    return (bRet ? 0 : -1);</span></div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="comment"> *  }</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment"> *  [Output]</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment"> *  Success 200, 30 bytes saved</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment"> *  Date=Fri, 11 Feb 2011 23:40:50 GMT? (30)</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment"> *  Server=Apache? (7)</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="comment"> *  Last-Modified=Sun, 15 Mar 2009 11:43:07 GMT? (30)</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="comment"> *  ETag=&quot;2e5c9d-1e-46526d665c8c0&quot;? (26)</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="comment"> *  Accept-Ranges=bytes? (6)</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="comment"> *  Content-Length=30? (3)</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment"> *  Cache-Control=max-age=604800? (15)</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment"> *  Expires=Fri, 18 Feb 2011 23:40:50 GMT? (30)</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="comment"> *  Connection=close? (6)</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="comment"> *  Content-Type=text/plain? (11)</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="comment"> * Example code for multiple PUT operation using same keep-alive connection.</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="comment"> *  // create new HTTP client</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="comment"> *  qhttpclient_t *httpclient = qhttpclient(&quot;www.qdecoder.org&quot;, 80);</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="comment"> *  if(httpclient == NULL) return;</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="comment"> *  // set options</span></div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="comment"> *  httpclient-&gt;setkeepalive(httpclient, true);</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="comment"> *  // make a connection</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="comment"> *  if(httpclient-&gt;open(httpclient) == false) return;</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="comment"> *  // upload files</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="comment"> *  httpclient-&gt;put(httpclient, ...);</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="comment"> *  httpclient-&gt;put(httpclient, ...); // will be done within same connection.</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="comment"> *  // close connection - not necessary if we call free() just after this.</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="comment"> *  httpclient-&gt;close(httpclient);</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="comment"> *  // de-allocate HTTP client object</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="comment"> *  httpclient-&gt;free(httpclient);</span></div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="preprocessor">#ifndef DISABLE_QHTTPCLIENT</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="preprocessor">#include &lt;stdbool.h&gt;</span></div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="preprocessor">#include &lt;unistd.h&gt;</span></div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="preprocessor">#include &lt;fcntl.h&gt;</span></div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="preprocessor">#include &lt;errno.h&gt;</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="preprocessor">#include &lt;sys/types.h&gt;</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="preprocessor">#include &lt;sys/socket.h&gt;</span></div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="preprocessor">#include &lt;netinet/in.h&gt;</span></div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="preprocessor">#include &lt;netinet/tcp.h&gt;</span></div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="preprocessor">#include &lt;arpa/inet.h&gt;</span></div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="preprocessor">#ifdef  ENABLE_OPENSSL</span></div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#include &quot;openssl/ssl.h&quot;</span></div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;<span class="preprocessor">#include &quot;openssl/err.h&quot;</span></div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="preprocessor">#include &quot;qinternal.h&quot;</span></div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="preprocessor">#include &quot;utilities/qio.h&quot;</span></div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="preprocessor">#include &quot;utilities/qstring.h&quot;</span></div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;<span class="preprocessor">#include &quot;utilities/qsocket.h&quot;</span></div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;<span class="preprocessor">#include &quot;containers/qlisttbl.h&quot;</span></div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="preprocessor">#include &quot;containers/qgrow.h&quot;</span></div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="preprocessor">#include &quot;extensions/qhttpclient.h&quot;</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="preprocessor">#ifndef _DOXYGEN_SKIP</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="qhttpclient_8c.html#aaab09f1f3ab6486633b0ea1c0fd65cd2">open_</a>(qhttpclient_t *client);</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="qhttpclient_8c.html#a5c8eb3bb63df37fe248d858715894870">setssl</a>(qhttpclient_t *client);</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="qhttpclient_8c.html#a12e0c5c0a30dafae0ece655d6095a75c">settimeout</a>(qhttpclient_t *client, <span class="keywordtype">int</span> timeoutms);</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="qhttpclient_8c.html#a7ee9c5a86a3f561a5dcfe201ff20c350">setkeepalive</a>(qhttpclient_t *client, <span class="keywordtype">bool</span> keepalive);</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="qhttpclient_8c.html#af6bffb8f3d215b7225da20a6832bf440">setuseragent</a>(qhttpclient_t *client, <span class="keyword">const</span> <span class="keywordtype">char</span> *agentname);</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="qhttpclient_8c.html#ac3c34055be115314ffe7f18c3d19eb54">head</a>(qhttpclient_t *client, <span class="keyword">const</span> <span class="keywordtype">char</span> *uri, <span class="keywordtype">int</span> *rescode,</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;                 qlisttbl_t *reqheaders, qlisttbl_t *resheaders);</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> <span class="keyword">get</span>(qhttpclient_t *client, <span class="keyword">const</span> <span class="keywordtype">char</span> *uri, <span class="keywordtype">int</span> fd, off_t *savesize,</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;                <span class="keywordtype">int</span> *rescode, qlisttbl_t *reqheaders, qlisttbl_t *resheaders,</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;                bool (*callback)(<span class="keywordtype">void</span> *userdata, off_t recvbytes),</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;                <span class="keywordtype">void</span> *userdata);</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="qhttpclient_8c.html#ae9ac3bd43c11509c0cbd8fb284bf13eb">put</a>(qhttpclient_t *client, <span class="keyword">const</span> <span class="keywordtype">char</span> *uri, <span class="keywordtype">int</span> fd, off_t length,</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;                <span class="keywordtype">int</span> *rescode, qlisttbl_t *reqheaders, qlisttbl_t *resheaders,</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;                <span class="keywordtype">bool</span> (*callback)(<span class="keywordtype">void</span> *userdata, off_t sentbytes),</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;                <span class="keywordtype">void</span> *userdata);</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> *<a class="code" href="qhttpclient_8c.html#af152fd3b6a32a801dc70a03119b13154">cmd</a>(qhttpclient_t *client, <span class="keyword">const</span> <span class="keywordtype">char</span> *method, <span class="keyword">const</span> <span class="keywordtype">char</span> *uri,</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;                 <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> size, <span class="keywordtype">int</span> *rescode, <span class="keywordtype">size_t</span> *contentslength,</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;                 qlisttbl_t *reqheaders, qlisttbl_t *resheaders);</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="qhttpclient_8c.html#a1d31e08f7bc114b63cd3140f5f8dc259">sendrequest</a>(qhttpclient_t *client, <span class="keyword">const</span> <span class="keywordtype">char</span> *method,</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;                        <span class="keyword">const</span> <span class="keywordtype">char</span> *uri, qlisttbl_t *reqheaders);</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="qhttpclient_8c.html#a865df9ac070a17d0751e1083af770bb1">readresponse</a>(qhttpclient_t *client, qlisttbl_t *resheaders,</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;                        off_t *contentlength);</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="keyword">static</span> ssize_t <a class="code" href="qhttpclient_8c.html#ade555b391a0ff83b074eb16a5ba2192f">gets_</a>(qhttpclient_t *client, <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> bufsize);</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="keyword">static</span> ssize_t <a class="code" href="qhttpclient_8c.html#a5dd8f813968295a3cfba53c0acaee487">read_</a>(qhttpclient_t *client, <span class="keywordtype">void</span> *buf, <span class="keywordtype">size_t</span> nbytes);</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="keyword">static</span> ssize_t <a class="code" href="qhttpclient_8c.html#a69254acf43767884d060506b96f5c274">write_</a>(qhttpclient_t *client, <span class="keyword">const</span> <span class="keywordtype">void</span> *buf, <span class="keywordtype">size_t</span> nbytes);</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="keyword">static</span> off_t <a class="code" href="qhttpclient_8c.html#a2036374892fed2d1eff6eee25dcbfd9b">recvfile</a>(qhttpclient_t *client, <span class="keywordtype">int</span> fd, off_t nbytes);</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="keyword">static</span> off_t <a class="code" href="qhttpclient_8c.html#add20b33d4c87e18756f7023bbc38f22e">sendfile_</a>(qhttpclient_t *client, <span class="keywordtype">int</span> fd, off_t nbytes);</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(qhttpclient_t *client);</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="qhttpclient_8c.html#a7a0cda760109d998ee40b94b665ef0ca">_free</a>(qhttpclient_t *client);</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;<span class="comment">// internal usages</span></div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> _set_socket_option(<span class="keywordtype">int</span> socket);</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> _parse_uri(<span class="keyword">const</span> <span class="keywordtype">char</span> *uri, <span class="keywordtype">bool</span> *protocol, <span class="keywordtype">char</span> *hostname,</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;                       <span class="keywordtype">size_t</span> namesize, <span class="keywordtype">int</span> *port);</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;<span class="comment">// HTTP RESPONSE CODE</span></div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;<span class="preprocessor">#define HTTP_NO_RESPONSE                (0)</span></div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_CONTINUE              (100)</span></div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_OK                    (200)</span></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_CREATED               (201)</span></div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_NO_CONTENT            (204)</span></div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_MULTI_STATUS          (207)</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_MOVED_TEMPORARILY     (302)</span></div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_NOT_MODIFIED          (304)</span></div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_BAD_REQUEST           (400)</span></div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_FORBIDDEN             (403)</span></div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_NOT_FOUND             (404)</span></div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_METHOD_NOT_ALLOWED    (405)</span></div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_REQUEST_TIME_OUT      (408)</span></div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_REQUEST_URI_TOO_LONG  (414)</span></div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_INTERNAL_SERVER_ERROR (500)</span></div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_NOT_IMPLEMENTED       (501)</span></div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define HTTP_CODE_SERVICE_UNAVAILABLE   (503)</span></div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;<span class="preprocessor">#define HTTP_PROTOCOL_11                &quot;HTTP/1.1&quot;</span></div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="comment">// TCP SOCKET DEFINITION</span></div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="preprocessor">#define SET_TCP_LINGER_TIMEOUT  (15)   </span><span class="comment">/*&lt; linger seconds, 0 for disable */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define SET_TCP_NODELAY         (1)    </span><span class="comment">/*&lt; 0 for disable */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MAX_SHUTDOWN_WAIT       (100)  </span><span class="comment">/*&lt; maximum shutdown wait, unit is ms */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MAX_ATOMIC_DATA_SIZE    (32 * 1024)  </span><span class="comment">/*&lt; maximum sending bytes */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;<span class="preprocessor">#ifdef  ENABLE_OPENSSL</span></div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;<span class="preprocessor"></span><span class="keyword">struct </span>SslConn {</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;    SSL *ssl;</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    SSL_CTX *ctx;</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;};</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;<span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;<span class="comment"> * Initialize &amp; create new HTTP client.</span></div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;<span class="comment"> * @param destname  remote address, one of IP address, FQDN domain name and URI.</span></div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;<span class="comment"> * @param port      remote port number. (can be 0 when destname is URI)</span></div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;<span class="comment"> * @return HTTP client object if succcessful, otherwise returns NULL.</span></div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="comment"> *   qhttpclient_t *client = qhttpclient(&quot;1.2.3.4&quot;, 80);</span></div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<span class="comment"> *   qhttpclient_t *client = qhttpclient(&quot;www.qdecoder.org&quot;, 80);</span></div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;<span class="comment"> *   qhttpclient_t *client = qhttpclient(&quot;http://www.qdecoder.org&quot;, 0);</span></div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;<span class="comment"> *   qhttpclient_t *client = qhttpclient(&quot;http://www.qdecoder.org:80&quot;, 0);</span></div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;<span class="comment"> *   qhttpclient_t *client = qhttpclient(&quot;https://www.qdecoder.org&quot;, 0);</span></div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;<span class="comment"> *   qhttpclient_t *client = qhttpclient(&quot;https://www.qdecoder.org:443&quot;, 0);</span></div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;<span class="comment"> *  Keep-alive feature is turned off by default. Turn it on by calling</span></div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="comment"> *  setkeepalive(). If destname is URI string starting with</span></div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;<span class="comment"> *  &quot;https://&quot;, setssl() will be called internally.</span></div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#acba5e1d5c9b1666945f7b0ca4da0785b">  245</a></span>&#160;qhttpclient_t *<a class="code" href="qhttpclient_8c.html#acba5e1d5c9b1666945f7b0ca4da0785b">qhttpclient</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *destname, <span class="keywordtype">int</span> port) {</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;    <span class="keywordtype">bool</span> ishttps = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    <span class="keywordtype">char</span> hostname[256];</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    <span class="keywordflow">if</span> (port == 0 || strstr(hostname, <span class="stringliteral">&quot;://&quot;</span>) != NULL) {</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;        <span class="keywordflow">if</span> (_parse_uri(destname, &amp;ishttps, hostname, <span class="keyword">sizeof</span>(hostname), &amp;port)</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;                == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;            DEBUG(<span class="stringliteral">&quot;Can&#39;t parse URI %s&quot;</span>, destname);</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;            <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;        }</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;        DEBUG(<span class="stringliteral">&quot;https: %d, hostname: %s, port:%d\n&quot;</span>, ishttps, hostname, port);</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;        <a class="code" href="qstring_8c.html#aa0fc982fbf9c6163d98cbb46e6faa86d">qstrcpy</a>(hostname, <span class="keyword">sizeof</span>(hostname), destname);</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;    }</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;    <span class="comment">// get remote address</span></div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;    <span class="keyword">struct </span>sockaddr_in addr;</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="qsocket_8c.html#a4285c6dd3c52560f3d471f332f6558bc">qsocket_get_addr</a>(&amp;addr, hostname, port) == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;    }</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    <span class="comment">// allocate  object</span></div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;    qhttpclient_t *client = (qhttpclient_t *) malloc(<span class="keyword">sizeof</span>(qhttpclient_t));</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;    <span class="keywordflow">if</span> (client == NULL)</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;    memset((<span class="keywordtype">void</span> *) client, 0, <span class="keyword">sizeof</span>(qhttpclient_t));</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;    <span class="comment">// initialize object</span></div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;    client-&gt;socket = -1;</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    memcpy((<span class="keywordtype">void</span> *) &amp;client-&gt;addr, (<span class="keywordtype">void</span> *) &amp;addr, <span class="keyword">sizeof</span>(client-&gt;addr));</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    client-&gt;hostname = strdup(hostname);</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    client-&gt;port = port;</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;    <span class="comment">// member methods</span></div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;    client-&gt;setssl = <a class="code" href="qhttpclient_8c.html#a5c8eb3bb63df37fe248d858715894870">setssl</a>;</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;    client-&gt;settimeout = <a class="code" href="qhttpclient_8c.html#a12e0c5c0a30dafae0ece655d6095a75c">settimeout</a>;</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;    client-&gt;setkeepalive = <a class="code" href="qhttpclient_8c.html#a7ee9c5a86a3f561a5dcfe201ff20c350">setkeepalive</a>;</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;    client-&gt;setuseragent = <a class="code" href="qhttpclient_8c.html#af6bffb8f3d215b7225da20a6832bf440">setuseragent</a>;</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    client-&gt;open = <a class="code" href="qhttpclient_8c.html#aaab09f1f3ab6486633b0ea1c0fd65cd2">open_</a>;</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;    client-&gt;head = <a class="code" href="qhttpclient_8c.html#ac3c34055be115314ffe7f18c3d19eb54">head</a>;</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;    client-&gt;get = <span class="keyword">get</span>;</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;    client-&gt;put = <a class="code" href="qhttpclient_8c.html#ae9ac3bd43c11509c0cbd8fb284bf13eb">put</a>;</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    client-&gt;cmd = <a class="code" href="qhttpclient_8c.html#af152fd3b6a32a801dc70a03119b13154">cmd</a>;</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;    client-&gt;sendrequest = <a class="code" href="qhttpclient_8c.html#a1d31e08f7bc114b63cd3140f5f8dc259">sendrequest</a>;</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;    client-&gt;readresponse = <a class="code" href="qhttpclient_8c.html#a865df9ac070a17d0751e1083af770bb1">readresponse</a>;</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;    client-&gt;gets = <a class="code" href="qhttpclient_8c.html#ade555b391a0ff83b074eb16a5ba2192f">gets_</a>;</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;    client-&gt;read = <a class="code" href="qhttpclient_8c.html#a5dd8f813968295a3cfba53c0acaee487">read_</a>;</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;    client-&gt;write = <a class="code" href="qhttpclient_8c.html#a69254acf43767884d060506b96f5c274">write_</a>;</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;    client-&gt;recvfile = <a class="code" href="qhttpclient_8c.html#a2036374892fed2d1eff6eee25dcbfd9b">recvfile</a>;</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;    client-&gt;sendfile = <a class="code" href="qhttpclient_8c.html#add20b33d4c87e18756f7023bbc38f22e">sendfile_</a>;</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;    client-&gt;close = <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>;</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;    client-&gt;free = <a class="code" href="qhttpclient_8c.html#a7a0cda760109d998ee40b94b665ef0ca">_free</a>;</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    <span class="comment">// init client</span></div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;    <a class="code" href="qhttpclient_8c.html#a12e0c5c0a30dafae0ece655d6095a75c">settimeout</a>(client, 0);</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;    <a class="code" href="qhttpclient_8c.html#a7ee9c5a86a3f561a5dcfe201ff20c350">setkeepalive</a>(client, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;    <a class="code" href="qhttpclient_8c.html#af6bffb8f3d215b7225da20a6832bf440">setuseragent</a>(client, QHTTPCLIENT_NAME);</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;    <span class="keywordflow">if</span> (ishttps == <span class="keyword">true</span>)</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;        <a class="code" href="qhttpclient_8c.html#a5c8eb3bb63df37fe248d858715894870">setssl</a>(client);</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;    <span class="keywordflow">return</span> client;</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;}</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;<span class="comment"> * qhttpclient-&gt;setssl(): Sets connection to HTTPS connection</span></div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;<span class="comment"> * @param client    qhttpclient object pointer</span></div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;<span class="comment"> *   httpclient-&gt;setssl(httpclient);</span></div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#a5c8eb3bb63df37fe248d858715894870">  323</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="qhttpclient_8c.html#a5c8eb3bb63df37fe248d858715894870">setssl</a>(qhttpclient_t *client) {</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;<span class="preprocessor">#ifdef  ENABLE_OPENSSL</span></div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;<span class="preprocessor"></span>    <span class="keyword">static</span> <span class="keywordtype">bool</span> initialized = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;    <span class="keywordflow">if</span> (client-&gt;socket &gt;= 0) {</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;        <span class="comment">// must be set before making a connection.</span></div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;    }</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;    </div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;    <span class="comment">// init openssl</span></div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;    <span class="keywordflow">if</span> (initialized == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;      initialized = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;      SSL_load_error_strings();</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;      SSL_library_init();</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;    }</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;    <span class="comment">// allocate ssl structure</span></div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;    <span class="keywordflow">if</span> (client-&gt;ssl == NULL) {</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;        client-&gt;ssl = malloc(<span class="keyword">sizeof</span>(<span class="keyword">struct</span> SslConn));</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;        <span class="keywordflow">if</span> (client-&gt;ssl == NULL) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;        memset(client-&gt;ssl, 0, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> SslConn));</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;    }</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;<span class="preprocessor"></span>    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;<span class="preprocessor"></span>}</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;<span class="comment"> * qhttpclient-&gt;settimeout(): Sets connection wait timeout.</span></div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;<span class="comment"> * @param client    qhttpclient object pointer</span></div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;<span class="comment"> * @param timeoutms timeout mili-seconds. 0 for system defaults</span></div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;<span class="comment"> *   httpclient-&gt;settimeout(httpclient, 0);    // default</span></div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;<span class="comment"> *   httpclient-&gt;settimeout(httpclient, 5000); // 5 seconds</span></div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#a12e0c5c0a30dafae0ece655d6095a75c">  363</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="qhttpclient_8c.html#a12e0c5c0a30dafae0ece655d6095a75c">settimeout</a>(qhttpclient_t *client, <span class="keywordtype">int</span> timeoutms) {</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;    <span class="keywordflow">if</span> (timeoutms &lt;= 0)</div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;        timeoutms = -1;</div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;    client-&gt;timeoutms = timeoutms;</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;}</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;<span class="comment"> * qhttpclient-&gt;setkeepalive(): Sets KEEP-ALIVE feature on/off.</span></div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;<span class="comment"> * @param client    qhttpclient object pointer</span></div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;<span class="comment"> * @param keepalive true to set keep-alive on, false to set keep-alive off</span></div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;<span class="comment"> *   httpclient-&gt;setkeepalive(httpclient, true);  // keep-alive on</span></div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;<span class="comment"> *   httpclient-&gt;setkeepalive(httpclient, false); // keep-alive off</span></div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#a7ee9c5a86a3f561a5dcfe201ff20c350">  380</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="qhttpclient_8c.html#a7ee9c5a86a3f561a5dcfe201ff20c350">setkeepalive</a>(qhttpclient_t *client, <span class="keywordtype">bool</span> keepalive) {</div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;    client-&gt;keepalive = keepalive;</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;}</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;<span class="comment"> * qhttpclient-&gt;setuseragent(): Sets user-agent string.</span></div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;<span class="comment"> * @param client    qhttpclient object pointer</span></div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;<span class="comment"> * @param useragent user-agent string</span></div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;<span class="comment"> *   httpclient-&gt;setuseragent(httpclient, &quot;MyAgent/1.0&quot;);</span></div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#af6bffb8f3d215b7225da20a6832bf440">  394</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="qhttpclient_8c.html#af6bffb8f3d215b7225da20a6832bf440">setuseragent</a>(qhttpclient_t *client, <span class="keyword">const</span> <span class="keywordtype">char</span> *useragent) {</div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;    <span class="keywordflow">if</span> (client-&gt;useragent != NULL)</div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;        free(client-&gt;useragent);</div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;    client-&gt;useragent = strdup(useragent);</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;}</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;<span class="comment"> * qhttpclient-&gt;open(): Opens a connection to the remote host.</span></div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;<span class="comment"> * @param client    qhttpclient object pointer</span></div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;<span class="comment"> * @return true if successful, otherwise returns false</span></div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;<span class="comment"> *  Don&#39;t need to open a connection unless you definitely need to do this,</span></div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;<span class="comment"> *  because qhttpclient open a connection automatically when it&#39;s needed.</span></div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;<span class="comment"> *  This function also can be used to veryfy a connection failure with remote</span></div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;<span class="comment"> *  host.</span></div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;<span class="comment"> *   if(httpclient-&gt;open(httpclient) == false) return;</span></div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#aaab09f1f3ab6486633b0ea1c0fd65cd2">  417</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="qhttpclient_8c.html#aaab09f1f3ab6486633b0ea1c0fd65cd2">open_</a>(qhttpclient_t *client) {</div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;    <span class="keywordflow">if</span> (client-&gt;socket &gt;= 0) {</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;        <span class="comment">// check if connection is still alive</span></div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="qio_8c.html#ac905811f0daa394ffef7beab68585a55">qio_wait_writable</a>(client-&gt;socket, 0) &gt; 0)</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;        <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;    }</div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;</div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;    <span class="comment">// create new socket</span></div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;    <span class="keywordtype">int</span> sockfd = socket(AF_INET, SOCK_STREAM, 0);</div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;    <span class="keywordflow">if</span> (sockfd &lt; 0) {</div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;        DEBUG(<span class="stringliteral">&quot;sockfd creation failed.&quot;</span>);</div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;    }</div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;</div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;    <span class="comment">// set to non-block socket if timeout is set</span></div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;    <span class="keywordtype">int</span> sockflag = 0;</div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;    <span class="keywordflow">if</span> (client-&gt;timeoutms &gt; 0) {</div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;        sockflag = fcntl(sockfd, F_GETFL, 0);</div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;        fcntl(sockfd, F_SETFL, sockflag | O_NONBLOCK);</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;    }</div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;</div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;    <span class="comment">// try to connect</span></div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;    <span class="keywordtype">int</span> status = connect(sockfd, (<span class="keyword">struct</span> sockaddr *) &amp;client-&gt;addr,</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;                         <span class="keyword">sizeof</span>(client-&gt;addr));</div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;    <span class="keywordflow">if</span> (status &lt; 0</div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;            &amp;&amp; (errno != EINPROGRESS</div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;                    || <a class="code" href="qio_8c.html#ac905811f0daa394ffef7beab68585a55">qio_wait_writable</a>(sockfd, client-&gt;timeoutms) &lt;= 0)) {</div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;        DEBUG(<span class="stringliteral">&quot;connection failed. (%d)&quot;</span>, errno);</div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;        close(sockfd);</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;    }</div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;</div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;    <span class="comment">// restore to block socket</span></div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;    <span class="keywordflow">if</span> (client-&gt;timeoutms &gt; 0) {</div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;        fcntl(sockfd, F_SETFL, sockflag);</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;    }</div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;</div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;    <span class="comment">// store socket descriptor</span></div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;    client-&gt;socket = sockfd;</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;</div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;    <span class="comment">// set socket option</span></div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;    _set_socket_option(sockfd);</div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;</div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;<span class="preprocessor">#ifdef ENABLE_OPENSSL</span></div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;<span class="preprocessor"></span>    <span class="comment">// set SSL option</span></div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;    <span class="keywordflow">if</span> (client-&gt;ssl != NULL) {</div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;        <span class="comment">// get ssl context using SSL 2 or 3</span></div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;        <span class="keyword">struct </span>SslConn *ssl = client-&gt;ssl;</div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;        ssl-&gt;ctx = SSL_CTX_new(SSLv23_client_method());</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;        <span class="keywordflow">if</span> (ssl-&gt;ctx == NULL) {</div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;            DEBUG(<span class="stringliteral">&quot;OpenSSL: %s&quot;</span>, ERR_reason_error_string(ERR_get_error()));</div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;            <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;        }</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;</div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;        <span class="comment">// get ssl handle</span></div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;        ssl-&gt;ssl = SSL_new(ssl-&gt;ctx);</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;        <span class="keywordflow">if</span> (ssl-&gt;ssl == NULL) {</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;            DEBUG(<span class="stringliteral">&quot;OpenSSL: %s&quot;</span>, ERR_reason_error_string(ERR_get_error()));</div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;            <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;        }</div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;</div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;        <span class="comment">// map ssl handle with socket</span></div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;        <span class="keywordflow">if</span> (SSL_set_fd(ssl-&gt;ssl, client-&gt;socket) != 1) {</div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;            DEBUG(<span class="stringliteral">&quot;OpenSSL: %s&quot;</span>, ERR_reason_error_string(ERR_get_error()));</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;            <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;        }</div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;</div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;        <span class="comment">// set options</span></div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;        SSL_set_connect_state(ssl-&gt;ssl);</div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;</div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;        <span class="comment">// handshake</span></div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;        <span class="keywordflow">if</span> (SSL_connect(ssl-&gt;ssl) != 1) {</div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;            DEBUG(<span class="stringliteral">&quot;OpenSSL: %s&quot;</span>, ERR_reason_error_string(ERR_get_error()));</div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;            <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;        }</div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;</div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;        DEBUG(<span class="stringliteral">&quot;ssl initialized&quot;</span>);</div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;    }</div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;}</div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;<span class="comment"> * qhttpclient-&gt;head(): Sends a HEAD request.</span></div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;<span class="comment"> * @param client        qhttpclient object pointer.</span></div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;<span class="comment"> * @param uri           URL encoded remote URI for downloading file.</span></div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;<span class="comment"> *                      (&quot;/path&quot; or &quot;http://.../path&quot;)</span></div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;<span class="comment"> * @param rescode       if not NULL, remote response code will be stored.</span></div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;<span class="comment"> *                      (can be NULL)</span></div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;<span class="comment"> * @param reqheaders    qlisttbl_t pointer which contains additional user</span></div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;<span class="comment"> *                      request headers. (can be NULL)</span></div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;<span class="comment"> * @param resheaders    qlisttbl_t pointer for storing response headers.</span></div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;<span class="comment"> *                      (can be NULL)</span></div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;<span class="comment"> * @return true if successful(got 200 response), otherwise returns false</span></div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;<span class="comment"> *   main() {</span></div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;<span class="comment"> *     // create new HTTP client</span></div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;<span class="comment"> *     qhttpclient_t *httpclient = qhttpclient(&quot;http://www.qdecoder.org&quot;, 0);</span></div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;<span class="comment"> *     if(httpclient == NULL) return;</span></div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;<span class="comment"> *     // set additional custom headers</span></div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;<span class="comment"> *     qlisttbl_t *reqheaders = qlisttbl(QLISTTBL_UNIQUE | QLISTTBL_CASEINSENSITIVE);</span></div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;<span class="comment"> *     qlisttbl_t *resheaders = qlisttbl(QLISTTBL_UNIQUE | QLISTTBL_CASEINSENSITIVE);</span></div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;<span class="comment"> *     // send HEAD request</span></div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;<span class="comment"> *     int nRescode = 0;</span></div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;<span class="comment"> *     char *pszEncPath = qEncodeUrl(&quot;/img/qdecoder.png&quot;);</span></div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;<span class="comment"> *     bool bRet = httpclient-&gt;head(httpclient, pszEncPath, &amp;nRescode,</span></div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;<span class="comment"> *                                 reqheaders, resheaders);</span></div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;<span class="comment"> *     free(pszEncPath);</span></div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;<span class="comment"> *     // to print out request, response headers</span></div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;<span class="comment"> *     reqheaders-&gt;debug(reqheaders, stdout);</span></div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;<span class="comment"> *     resheaders-&gt;debug(resheaders, stdout);</span></div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;<span class="comment"> *     // check results</span></div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;<span class="comment"> *     if(bRet == false) {</span></div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;<span class="comment"> *       ...(error occured)...</span></div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;<span class="comment"> *     }</span></div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;<span class="comment"> *     // free resources</span></div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;<span class="comment"> *     httpclient-&gt;free(httpclient);</span></div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;<span class="comment"> *     reqheaders-&gt;free(reqheaders);</span></div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;<span class="comment"> *     resheaders-&gt;free(resheaders);</span></div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;<span class="comment"> *   }</span></div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00553"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#ac3c34055be115314ffe7f18c3d19eb54">  553</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="qhttpclient_8c.html#ac3c34055be115314ffe7f18c3d19eb54">head</a>(qhttpclient_t *client, <span class="keyword">const</span> <span class="keywordtype">char</span> *uri, <span class="keywordtype">int</span> *rescode,</div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;                 qlisttbl_t *reqheaders, qlisttbl_t *resheaders) {</div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;</div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;    <span class="comment">// reset rescode</span></div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;    <span class="keywordflow">if</span> (rescode != NULL)</div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;        *rescode = 0;</div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;</div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;    <span class="comment">// generate request headers if necessary</span></div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;    <span class="keywordtype">bool</span> freeReqHeaders = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;    <span class="keywordflow">if</span> (reqheaders == NULL) {</div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;        reqheaders = <a class="code" href="qlisttbl_8c.html#ace8778acce088344531b5249d580aca7">qlisttbl</a>(</div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;                QLISTTBL_UNIQUE | QLISTTBL_CASEINSENSITIVE);</div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;        freeReqHeaders = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;    }</div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;</div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;    <span class="comment">// add additional headers</span></div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;    reqheaders-&gt;putstr(reqheaders, <span class="stringliteral">&quot;Accept&quot;</span>, <span class="stringliteral">&quot;*/*&quot;</span>);</div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;</div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;    <span class="comment">// send request</span></div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;    <span class="keywordtype">bool</span> sendret = <a class="code" href="qhttpclient_8c.html#a1d31e08f7bc114b63cd3140f5f8dc259">sendrequest</a>(client, <span class="stringliteral">&quot;HEAD&quot;</span>, uri, reqheaders);</div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;    <span class="keywordflow">if</span> (freeReqHeaders == <span class="keyword">true</span>)</div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;        reqheaders-&gt;free(reqheaders);</div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;    <span class="keywordflow">if</span> (sendret == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;        <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;    }</div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;</div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;    <span class="comment">// read response</span></div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;    off_t clength = 0;</div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;    <span class="keywordtype">int</span> resno = <a class="code" href="qhttpclient_8c.html#a865df9ac070a17d0751e1083af770bb1">readresponse</a>(client, resheaders, &amp;clength);</div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;    <span class="keywordflow">if</span> (rescode != NULL)</div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;        *rescode = resno;</div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;</div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;    <span class="comment">// throw out content</span></div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;    <span class="keywordflow">if</span> (clength &gt; 0) {</div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="qhttpclient_8c.html#a5dd8f813968295a3cfba53c0acaee487">read_</a>(client, NULL, clength) != clength) {</div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;            <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;        }</div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;    }</div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;</div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;    <span class="comment">// close connection if required</span></div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;    <span class="keywordflow">if</span> (client-&gt;keepalive == <span class="keyword">false</span> || client-&gt;connclose == <span class="keyword">true</span>) {</div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;        <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;    }</div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;</div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;    <span class="keywordflow">if</span> (resno == HTTP_CODE_OK)</div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;}</div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;<span class="comment"> * qhttpclient-&gt;get(): Downloads a file from the remote host using GET</span></div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;<span class="comment"> * method.</span></div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;<span class="comment"> * @param client    qhttpclient object pointer.</span></div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;<span class="comment"> * @param uri       URL encoded remote URI for downloading file.</span></div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;<span class="comment"> *                  (&quot;/path&quot; or &quot;http://.../path&quot;)</span></div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;<span class="comment"> * @param fd        opened file descriptor for writing.</span></div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;<span class="comment"> * @param savesize  if not NULL, the length of stored bytes will be stored.</span></div>
<div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;<span class="comment"> *                  (can be NULL)</span></div>
<div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;<span class="comment"> * @param rescode   if not NULL, remote response code will be stored.</span></div>
<div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;<span class="comment"> *                  (can be NULL)</span></div>
<div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;<span class="comment"> * @param reqheaders    qlisttbl_t pointer which contains additional user</span></div>
<div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;<span class="comment"> *                      request headers. (can be NULL)</span></div>
<div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;<span class="comment"> * @param resheaders    qlisttbl_t pointer for storing response headers.</span></div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;<span class="comment"> *                      (can be NULL)</span></div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;<span class="comment"> * @param callback  set user call-back function. (can be NULL)</span></div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;<span class="comment"> * @param userdata  set user data for call-back. (can be NULL)</span></div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;<span class="comment"> * @return true if successful(200 OK), otherwise returns false</span></div>
<div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;<span class="comment"> *   struct userdata {</span></div>
<div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;<span class="comment"> *     ...</span></div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;<span class="comment"> *   };</span></div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;<span class="comment"> *   static bool callback(void *userdata, off_t sentbytes) {</span></div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;<span class="comment"> *     struct userdata *pMydata = (struct userdata*)userdata;</span></div>
<div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;<span class="comment"> *     ...(codes)...</span></div>
<div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;<span class="comment"> *     if(need_to_cancel) return false; // stop file uploading immediately</span></div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;<span class="comment"> *     return true;</span></div>
<div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;<span class="comment"> *   }</span></div>
<div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;<span class="comment"> *   main() {</span></div>
<div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;<span class="comment"> *     // create new HTTP client</span></div>
<div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;<span class="comment"> *     qhttpclient_t *httpclient = qhttpclient(&quot;http://www.qdecoder.org&quot;, 0);</span></div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;<span class="comment"> *     if(httpclient == NULL) return;</span></div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;<span class="comment"> *     // open file</span></div>
<div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;<span class="comment"> *     int nFd = open(&quot;/tmp/test.data&quot;, O_WRONLY | O_CREAT, 0644);</span></div>
<div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;<span class="comment"> *     // set additional custom headers</span></div>
<div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;<span class="comment"> *     qlisttbl_t *reqheaders = qlisttbl(QLISTTBL_UNIQUE | QLISTTBL_CASEINSENSITIVE);</span></div>
<div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;<span class="comment"> *     qlisttbl_t *resheaders = qlisttbl(QLISTTBL_UNIQUE | QLISTTBL_CASEINSENSITIVE);</span></div>
<div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;<span class="comment"> *     // set userdata</span></div>
<div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;<span class="comment"> *     struct userdata mydata;</span></div>
<div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;<span class="comment"> *     ...(codes)...</span></div>
<div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;<span class="comment"> *     // send file</span></div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;<span class="comment"> *     int nRescode = 0;</span></div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;<span class="comment"> *     off_t nSavesize = 0;</span></div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;<span class="comment"> *     char *pszEncPath = qEncodeUrl(&quot;/img/qdecoder.png&quot;);</span></div>
<div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;<span class="comment"> *     bool bRet = httpclient-&gt;get(httpclient, pszEncPath, nFd, &amp;nSavesize,</span></div>
<div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;<span class="comment"> *                                 &amp;nRescode,</span></div>
<div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;<span class="comment"> *                                 reqheaders, resheaders,</span></div>
<div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;<span class="comment"> *                                 callback, (void*)&amp;mydata);</span></div>
<div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;<span class="comment"> *     free(pszEncPath);</span></div>
<div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;<span class="comment"> *     // to print out request, response headers</span></div>
<div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;<span class="comment"> *     reqheaders-&gt;debug(reqheaders, stdout);</span></div>
<div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;<span class="comment"> *     resheaders-&gt;debug(resheaders, stdout);</span></div>
<div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;<span class="comment"> *     // check results</span></div>
<div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;<span class="comment"> *     if(bRet == false) {</span></div>
<div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;<span class="comment"> *       ...(error occured)...</span></div>
<div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;<span class="comment"> *     }</span></div>
<div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;<span class="comment"> *     // free resources</span></div>
<div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;<span class="comment"> *     httpclient-&gt;free(httpclient);</span></div>
<div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;<span class="comment"> *     reqheaders-&gt;free(reqheaders);</span></div>
<div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;<span class="comment"> *     resheaders-&gt;free(resheaders);</span></div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;<span class="comment"> *     close(nFd);</span></div>
<div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;<span class="comment"> *   }</span></div>
<div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;<span class="comment"> *  The call-back function will be called peridically whenever it send data as</span></div>
<div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;<span class="comment"> *  much as MAX_ATOMIC_DATA_SIZE. To stop uploading, return false in the</span></div>
<div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;<span class="comment"> *  call-back function, then PUT process will be stopped immediately.</span></div>
<div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;<span class="comment"> *  If a connection was not opened, it will open a connection automatically.</span></div>
<div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;<span class="comment"> *  The &quot;rescode&quot; will be set if it received any response code from a remote</span></div>
<div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;<span class="comment"> *  server even though it returns false.</span></div>
<div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00689"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#af16a3eb0912e8b5d4896466632d9c843">  689</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> <span class="keyword">get</span>(qhttpclient_t *client, <span class="keyword">const</span> <span class="keywordtype">char</span> *uri, <span class="keywordtype">int</span> fd, off_t *savesize,</div>
<div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;                <span class="keywordtype">int</span> *rescode, qlisttbl_t *reqheaders, qlisttbl_t *resheaders,</div>
<div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;                bool (*callback)(<span class="keywordtype">void</span> *userdata, off_t recvbytes),</div>
<div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;                <span class="keywordtype">void</span> *userdata) {</div>
<div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;</div>
<div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;    <span class="comment">// reset rescode</span></div>
<div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;    <span class="keywordflow">if</span> (rescode != NULL)</div>
<div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;        *rescode = 0;</div>
<div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;    <span class="keywordflow">if</span> (savesize != NULL)</div>
<div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;        *savesize = 0;</div>
<div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;</div>
<div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;    <span class="comment">// generate request headers if necessary</span></div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;    <span class="keywordtype">bool</span> freeReqHeaders = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;    <span class="keywordflow">if</span> (reqheaders == NULL) {</div>
<div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;        reqheaders = <a class="code" href="qlisttbl_8c.html#ace8778acce088344531b5249d580aca7">qlisttbl</a>(</div>
<div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;                QLISTTBL_UNIQUE | QLISTTBL_CASEINSENSITIVE);</div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;        freeReqHeaders = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;    }</div>
<div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;</div>
<div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;    <span class="comment">// add additional headers</span></div>
<div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;    reqheaders-&gt;putstr(reqheaders, <span class="stringliteral">&quot;Accept&quot;</span>, <span class="stringliteral">&quot;*/*&quot;</span>);</div>
<div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;</div>
<div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;    <span class="comment">// send request</span></div>
<div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;    <span class="keywordtype">bool</span> sendret = <a class="code" href="qhttpclient_8c.html#a1d31e08f7bc114b63cd3140f5f8dc259">sendrequest</a>(client, <span class="stringliteral">&quot;GET&quot;</span>, uri, reqheaders);</div>
<div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;    <span class="keywordflow">if</span> (freeReqHeaders == <span class="keyword">true</span>)</div>
<div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;        reqheaders-&gt;free(reqheaders);</div>
<div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;    <span class="keywordflow">if</span> (sendret == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;        <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;    }</div>
<div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;</div>
<div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;    <span class="comment">// read response</span></div>
<div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;    off_t clength = 0;</div>
<div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;    <span class="keywordtype">int</span> resno = <a class="code" href="qhttpclient_8c.html#a865df9ac070a17d0751e1083af770bb1">readresponse</a>(client, resheaders, &amp;clength);</div>
<div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;    <span class="keywordflow">if</span> (rescode != NULL)</div>
<div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;        *rescode = resno;</div>
<div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;</div>
<div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;    <span class="comment">// check response code</span></div>
<div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;    <span class="keywordflow">if</span> (resno != HTTP_CODE_OK) {</div>
<div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;        <span class="comment">// throw out content</span></div>
<div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;        <span class="keywordflow">if</span> (clength &gt; 0) {</div>
<div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;            <span class="keywordflow">if</span> (<a class="code" href="qhttpclient_8c.html#a5dd8f813968295a3cfba53c0acaee487">read_</a>(client, NULL, clength) != clength) {</div>
<div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160;                <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;            }</div>
<div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;        }</div>
<div class="line"><a name="l00734"></a><span class="lineno">  734</span>&#160;</div>
<div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;        <span class="comment">// close connection if required</span></div>
<div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;        <span class="keywordflow">if</span> (client-&gt;keepalive == <span class="keyword">false</span> || client-&gt;connclose == <span class="keyword">true</span>) {</div>
<div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;            <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;        }</div>
<div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160;    }</div>
<div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;</div>
<div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;    <span class="comment">// start retrieving data</span></div>
<div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;    off_t recv = 0;</div>
<div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;    <span class="keywordflow">if</span> (callback != NULL &amp;&amp; callback(userdata, recv) == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;        <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;    }</div>
<div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;</div>
<div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;    <span class="keywordflow">if</span> (clength &gt; 0) {</div>
<div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;        <span class="keywordflow">while</span> (recv &lt; clength) {</div>
<div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;            <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> recvsize;  <span class="comment">// this time receive size</span></div>
<div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;            <span class="keywordflow">if</span> (clength - recv &lt; MAX_ATOMIC_DATA_SIZE) {</div>
<div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;                recvsize = clength - recv;</div>
<div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;            } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;                recvsize = MAX_ATOMIC_DATA_SIZE;</div>
<div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;            }</div>
<div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;</div>
<div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;            ssize_t ret = <a class="code" href="qhttpclient_8c.html#a2036374892fed2d1eff6eee25dcbfd9b">recvfile</a>(client, fd, recvsize);</div>
<div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;            <span class="keywordflow">if</span> (ret &lt;= 0)</div>
<div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;                <span class="keywordflow">break</span>;  <span class="comment">// Connection closed by peer</span></div>
<div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;            recv += ret;</div>
<div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;            <span class="keywordflow">if</span> (savesize != NULL)</div>
<div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;                *savesize = recv;</div>
<div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160;</div>
<div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;            <span class="keywordflow">if</span> (callback != NULL) {</div>
<div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;                <span class="keywordflow">if</span> (callback(userdata, recv) == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;                    <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;                    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;                }</div>
<div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;            }</div>
<div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160;        }</div>
<div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;</div>
<div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;        <span class="keywordflow">if</span> (recv != clength) {</div>
<div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;            <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;        }</div>
<div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;</div>
<div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (clength == -1) {  <span class="comment">// chunked</span></div>
<div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;        <span class="keywordtype">bool</span> completed = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;        <span class="keywordflow">do</span> {</div>
<div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;            <span class="comment">// read chunk size</span></div>
<div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;            <span class="keywordtype">char</span> buf[64];</div>
<div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;            <span class="keywordflow">if</span> (<a class="code" href="qhttpclient_8c.html#ade555b391a0ff83b074eb16a5ba2192f">gets_</a>(client, buf, <span class="keyword">sizeof</span>(buf)) &lt;= 0)</div>
<div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;</div>
<div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;            <span class="comment">// parse chunk size</span></div>
<div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;            <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> recvsize;  <span class="comment">// this time chunk size</span></div>
<div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;            sscanf(buf, <span class="stringliteral">&quot;%x&quot;</span>, &amp;recvsize);</div>
<div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;            <span class="keywordflow">if</span> (recvsize == 0) {</div>
<div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;                <span class="comment">// end of transfer</span></div>
<div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;                completed = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160;            }</div>
<div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;</div>
<div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160;            <span class="comment">// save chunk</span></div>
<div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160;            <span class="keywordflow">if</span> (recvsize &gt; 0) {</div>
<div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160;                ssize_t ret = <a class="code" href="qhttpclient_8c.html#a2036374892fed2d1eff6eee25dcbfd9b">recvfile</a>(client, fd, recvsize);</div>
<div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;                <span class="keywordflow">if</span> (ret != recvsize)</div>
<div class="line"><a name="l00798"></a><span class="lineno">  798</span>&#160;                    <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00799"></a><span class="lineno">  799</span>&#160;                recv += ret;</div>
<div class="line"><a name="l00800"></a><span class="lineno">  800</span>&#160;                DEBUG(<span class="stringliteral">&quot;%zd %zd&quot;</span>, recv, ret);</div>
<div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;                <span class="keywordflow">if</span> (savesize != NULL)</div>
<div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160;                    *savesize = recv;</div>
<div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160;            }</div>
<div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;</div>
<div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;            <span class="comment">// read tailing CRLF</span></div>
<div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;            <span class="keywordflow">if</span> (<a class="code" href="qhttpclient_8c.html#ade555b391a0ff83b074eb16a5ba2192f">gets_</a>(client, buf, <span class="keyword">sizeof</span>(buf)) &lt;= 0)</div>
<div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;</div>
<div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;            <span class="comment">// call back</span></div>
<div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;            <span class="keywordflow">if</span> (recvsize &gt; 0 &amp;&amp; callback != NULL</div>
<div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;                    &amp;&amp; callback(userdata, recv) == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;                <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;                <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;            }</div>
<div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;        } <span class="keywordflow">while</span> (completed == <span class="keyword">false</span>);</div>
<div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;</div>
<div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;        <span class="keywordflow">if</span> (completed == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160;            DEBUG(<span class="stringliteral">&quot;Broken pipe. %jd/chunked, errno=%d&quot;</span>, recv, errno);</div>
<div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;            <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;        }</div>
<div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;    }</div>
<div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;</div>
<div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;    <span class="comment">// close connection</span></div>
<div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;    <span class="keywordflow">if</span> (client-&gt;keepalive == <span class="keyword">false</span> || client-&gt;connclose == <span class="keyword">true</span>) {</div>
<div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;        <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;    }</div>
<div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;</div>
<div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;}</div>
<div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;<span class="comment"> * qhttpclient-&gt;put(): Uploads a file to the remote host using PUT method.</span></div>
<div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00835"></a><span class="lineno">  835</span>&#160;<span class="comment"> * @param client    qhttpclient object pointer.</span></div>
<div class="line"><a name="l00836"></a><span class="lineno">  836</span>&#160;<span class="comment"> * @param uri       remote URL for uploading file.</span></div>
<div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;<span class="comment"> *                  (&quot;/path&quot; or &quot;http://.../path&quot;)</span></div>
<div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160;<span class="comment"> * @param fd        opened file descriptor for reading.</span></div>
<div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;<span class="comment"> * @param length    send size.</span></div>
<div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;<span class="comment"> * @param rescode   if not NULL, remote response code will be stored.</span></div>
<div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160;<span class="comment"> *                  (can be NULL)</span></div>
<div class="line"><a name="l00842"></a><span class="lineno">  842</span>&#160;<span class="comment"> * @param reqheaders    qlisttbl_t pointer which contains additional user</span></div>
<div class="line"><a name="l00843"></a><span class="lineno">  843</span>&#160;<span class="comment"> *                      request headers. (can be NULL)</span></div>
<div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;<span class="comment"> * @param resheaders    qlisttbl_t pointer for storing response headers.</span></div>
<div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160;<span class="comment"> *                      (can be NULL)</span></div>
<div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160;<span class="comment"> * @param callback  set user call-back function. (can be NULL)</span></div>
<div class="line"><a name="l00847"></a><span class="lineno">  847</span>&#160;<span class="comment"> * @param userdata  set user data for call-back. (can be NULL)</span></div>
<div class="line"><a name="l00848"></a><span class="lineno">  848</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00849"></a><span class="lineno">  849</span>&#160;<span class="comment"> * @return true if successful(201 Created), otherwise returns false</span></div>
<div class="line"><a name="l00850"></a><span class="lineno">  850</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00851"></a><span class="lineno">  851</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00852"></a><span class="lineno">  852</span>&#160;<span class="comment"> *   struct userdata {</span></div>
<div class="line"><a name="l00853"></a><span class="lineno">  853</span>&#160;<span class="comment"> *     ...</span></div>
<div class="line"><a name="l00854"></a><span class="lineno">  854</span>&#160;<span class="comment"> *   };</span></div>
<div class="line"><a name="l00855"></a><span class="lineno">  855</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00856"></a><span class="lineno">  856</span>&#160;<span class="comment"> *   static bool callback(void *userdata, off_t sentbytes) {</span></div>
<div class="line"><a name="l00857"></a><span class="lineno">  857</span>&#160;<span class="comment"> *     struct userdata *pMydata = (struct userdata*)userdata;</span></div>
<div class="line"><a name="l00858"></a><span class="lineno">  858</span>&#160;<span class="comment"> *     ...(codes)...</span></div>
<div class="line"><a name="l00859"></a><span class="lineno">  859</span>&#160;<span class="comment"> *     if(need_to_cancel) return false; // stop file uploading immediately</span></div>
<div class="line"><a name="l00860"></a><span class="lineno">  860</span>&#160;<span class="comment"> *     return true;</span></div>
<div class="line"><a name="l00861"></a><span class="lineno">  861</span>&#160;<span class="comment"> *   }</span></div>
<div class="line"><a name="l00862"></a><span class="lineno">  862</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00863"></a><span class="lineno">  863</span>&#160;<span class="comment"> *   main() {</span></div>
<div class="line"><a name="l00864"></a><span class="lineno">  864</span>&#160;<span class="comment"> *     // create new HTTP client</span></div>
<div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160;<span class="comment"> *     qhttpclient_t *httpclient = qhttpclient(&quot;http://www.qdecoder.org&quot;, 0);</span></div>
<div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;<span class="comment"> *     if(httpclient == NULL) return;</span></div>
<div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160;<span class="comment"> *     // open file</span></div>
<div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;<span class="comment"> *     int nFd = open(...);</span></div>
<div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160;<span class="comment"> *     off_t nFileSize = ...;</span></div>
<div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;<span class="comment"> *     char *pFileMd5sum = ...;</span></div>
<div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;<span class="comment"> *     time_t nFileDate = ...;</span></div>
<div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;<span class="comment"> *     // set additional custom headers</span></div>
<div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;<span class="comment"> *     qlisttbl_t *reqheaders = qlisttbl(QLISTTBL_UNIQUE | QLISTTBL_CASEINSENSITIVE);</span></div>
<div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;<span class="comment"> *     reqheaders-&gt;putstr(reqheaders, &quot;X-FILE-MD5SUM&quot;, pFileMd5sum);</span></div>
<div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;<span class="comment"> *     reqheaders-&gt;putInt(reqheaders, &quot;X-FILE-DATE&quot;, nFileDate);</span></div>
<div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;<span class="comment"> *     // set userdata</span></div>
<div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;<span class="comment"> *     struct userdata mydata;</span></div>
<div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160;<span class="comment"> *     ...(codes)...</span></div>
<div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160;<span class="comment"> *     // send file</span></div>
<div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;<span class="comment"> *     int nRescode = 0;</span></div>
<div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160;<span class="comment"> *     qlisttbl_t *resheaders = qlisttbl(QLISTTBL_UNIQUE | QLISTTBL_CASEINSENSITIVE);</span></div>
<div class="line"><a name="l00886"></a><span class="lineno">  886</span>&#160;<span class="comment"> *     bool bRet = httpclient-&gt;put(httpclient,</span></div>
<div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;<span class="comment"> *                                 &quot;/img/qdecoder.png&quot;, nFd, nFileSize,</span></div>
<div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;<span class="comment"> *                                 &amp;nRescode,</span></div>
<div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160;<span class="comment"> *                                 reqheaders, resheaders,</span></div>
<div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160;<span class="comment"> *                                 callback, (void*)&amp;mydata);</span></div>
<div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;<span class="comment"> *     // to print out request, response headers</span></div>
<div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;<span class="comment"> *     reqheaders-&gt;debug(reqheaders, stdout);</span></div>
<div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160;<span class="comment"> *     resheaders-&gt;debug(resheaders, stdout);</span></div>
<div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;<span class="comment"> *     // check results</span></div>
<div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160;<span class="comment"> *     if(bRet == false) {</span></div>
<div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160;<span class="comment"> *       ...(error occured)...</span></div>
<div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160;<span class="comment"> *     }</span></div>
<div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00900"></a><span class="lineno">  900</span>&#160;<span class="comment"> *     // free resources</span></div>
<div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;<span class="comment"> *     httpclient-&gt;free(httpclient);</span></div>
<div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160;<span class="comment"> *     reqheaders-&gt;free(reqheaders);</span></div>
<div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160;<span class="comment"> *     resheaders-&gt;free(resheaders);</span></div>
<div class="line"><a name="l00904"></a><span class="lineno">  904</span>&#160;<span class="comment"> *     close(nFd);</span></div>
<div class="line"><a name="l00905"></a><span class="lineno">  905</span>&#160;<span class="comment"> *   }</span></div>
<div class="line"><a name="l00906"></a><span class="lineno">  906</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00907"></a><span class="lineno">  907</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00908"></a><span class="lineno">  908</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160;<span class="comment"> *  The call-back function will be called peridically whenever it send data as</span></div>
<div class="line"><a name="l00910"></a><span class="lineno">  910</span>&#160;<span class="comment"> *  much as MAX_ATOMIC_DATA_SIZE. To stop uploading, return false in the</span></div>
<div class="line"><a name="l00911"></a><span class="lineno">  911</span>&#160;<span class="comment"> *  call-back function, then PUT process will be stopped immediately.</span></div>
<div class="line"><a name="l00912"></a><span class="lineno">  912</span>&#160;<span class="comment"> *  If a connection was not opened, it will open a connection automatically.</span></div>
<div class="line"><a name="l00913"></a><span class="lineno">  913</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160;<span class="comment"> *  The &quot;rescode&quot; will be set if it received any response code from a remote</span></div>
<div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;<span class="comment"> *  server even though it returns false.</span></div>
<div class="line"><a name="l00917"></a><span class="lineno">  917</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00918"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#ae9ac3bd43c11509c0cbd8fb284bf13eb">  918</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="qhttpclient_8c.html#ae9ac3bd43c11509c0cbd8fb284bf13eb">put</a>(qhttpclient_t *client, <span class="keyword">const</span> <span class="keywordtype">char</span> *uri, <span class="keywordtype">int</span> fd, off_t length,</div>
<div class="line"><a name="l00919"></a><span class="lineno">  919</span>&#160;                <span class="keywordtype">int</span> *rescode, qlisttbl_t *reqheaders, qlisttbl_t *resheaders,</div>
<div class="line"><a name="l00920"></a><span class="lineno">  920</span>&#160;                <span class="keywordtype">bool</span> (*callback)(<span class="keywordtype">void</span> *userdata, off_t sentbytes),</div>
<div class="line"><a name="l00921"></a><span class="lineno">  921</span>&#160;                <span class="keywordtype">void</span> *userdata) {</div>
<div class="line"><a name="l00922"></a><span class="lineno">  922</span>&#160;</div>
<div class="line"><a name="l00923"></a><span class="lineno">  923</span>&#160;    <span class="comment">// reset rescode</span></div>
<div class="line"><a name="l00924"></a><span class="lineno">  924</span>&#160;    <span class="keywordflow">if</span> (rescode != NULL)</div>
<div class="line"><a name="l00925"></a><span class="lineno">  925</span>&#160;        *rescode = 0;</div>
<div class="line"><a name="l00926"></a><span class="lineno">  926</span>&#160;</div>
<div class="line"><a name="l00927"></a><span class="lineno">  927</span>&#160;    <span class="comment">// generate request headers</span></div>
<div class="line"><a name="l00928"></a><span class="lineno">  928</span>&#160;    <span class="keywordtype">bool</span> freeReqHeaders = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00929"></a><span class="lineno">  929</span>&#160;    <span class="keywordflow">if</span> (reqheaders == NULL) {</div>
<div class="line"><a name="l00930"></a><span class="lineno">  930</span>&#160;        reqheaders = <a class="code" href="qlisttbl_8c.html#ace8778acce088344531b5249d580aca7">qlisttbl</a>(</div>
<div class="line"><a name="l00931"></a><span class="lineno">  931</span>&#160;                QLISTTBL_UNIQUE | QLISTTBL_CASEINSENSITIVE);</div>
<div class="line"><a name="l00932"></a><span class="lineno">  932</span>&#160;        freeReqHeaders = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00933"></a><span class="lineno">  933</span>&#160;    }</div>
<div class="line"><a name="l00934"></a><span class="lineno">  934</span>&#160;</div>
<div class="line"><a name="l00935"></a><span class="lineno">  935</span>&#160;    <span class="comment">// add additional headers</span></div>
<div class="line"><a name="l00936"></a><span class="lineno">  936</span>&#160;    reqheaders-&gt;putstrf(reqheaders, <span class="stringliteral">&quot;Content-Length&quot;</span>, <span class="stringliteral">&quot;%jd&quot;</span>, length);</div>
<div class="line"><a name="l00937"></a><span class="lineno">  937</span>&#160;    reqheaders-&gt;putstr(reqheaders, <span class="stringliteral">&quot;Expect&quot;</span>, <span class="stringliteral">&quot;100-continue&quot;</span>);</div>
<div class="line"><a name="l00938"></a><span class="lineno">  938</span>&#160;</div>
<div class="line"><a name="l00939"></a><span class="lineno">  939</span>&#160;    <span class="comment">// send request</span></div>
<div class="line"><a name="l00940"></a><span class="lineno">  940</span>&#160;    <span class="keywordtype">bool</span> sendret = <a class="code" href="qhttpclient_8c.html#a1d31e08f7bc114b63cd3140f5f8dc259">sendrequest</a>(client, <span class="stringliteral">&quot;PUT&quot;</span>, uri, reqheaders);</div>
<div class="line"><a name="l00941"></a><span class="lineno">  941</span>&#160;    <span class="keywordflow">if</span> (freeReqHeaders == <span class="keyword">true</span>) {</div>
<div class="line"><a name="l00942"></a><span class="lineno">  942</span>&#160;        reqheaders-&gt;free(reqheaders);</div>
<div class="line"><a name="l00943"></a><span class="lineno">  943</span>&#160;        reqheaders = NULL;</div>
<div class="line"><a name="l00944"></a><span class="lineno">  944</span>&#160;    }</div>
<div class="line"><a name="l00945"></a><span class="lineno">  945</span>&#160;    <span class="keywordflow">if</span> (sendret == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l00946"></a><span class="lineno">  946</span>&#160;        <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00947"></a><span class="lineno">  947</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00948"></a><span class="lineno">  948</span>&#160;    }</div>
<div class="line"><a name="l00949"></a><span class="lineno">  949</span>&#160;</div>
<div class="line"><a name="l00950"></a><span class="lineno">  950</span>&#160;    <span class="comment">// wait 100-continue</span></div>
<div class="line"><a name="l00951"></a><span class="lineno">  951</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="qio_8c.html#a8a695a43ebb605d243e56ad48937862e">qio_wait_readable</a>(client-&gt;socket, client-&gt;timeoutms) &lt;= 0) {</div>
<div class="line"><a name="l00952"></a><span class="lineno">  952</span>&#160;        DEBUG(<span class="stringliteral">&quot;timed out %d&quot;</span>, client-&gt;timeoutms);</div>
<div class="line"><a name="l00953"></a><span class="lineno">  953</span>&#160;        <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00954"></a><span class="lineno">  954</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00955"></a><span class="lineno">  955</span>&#160;    }</div>
<div class="line"><a name="l00956"></a><span class="lineno">  956</span>&#160;</div>
<div class="line"><a name="l00957"></a><span class="lineno">  957</span>&#160;    <span class="comment">// read response</span></div>
<div class="line"><a name="l00958"></a><span class="lineno">  958</span>&#160;    off_t clength = 0;</div>
<div class="line"><a name="l00959"></a><span class="lineno">  959</span>&#160;    <span class="keywordtype">int</span> resno = <a class="code" href="qhttpclient_8c.html#a865df9ac070a17d0751e1083af770bb1">readresponse</a>(client, resheaders, &amp;clength);</div>
<div class="line"><a name="l00960"></a><span class="lineno">  960</span>&#160;    <span class="keywordflow">if</span> (resno != HTTP_CODE_CONTINUE) {</div>
<div class="line"><a name="l00961"></a><span class="lineno">  961</span>&#160;        <span class="keywordflow">if</span> (rescode != NULL)</div>
<div class="line"><a name="l00962"></a><span class="lineno">  962</span>&#160;            *rescode = resno;</div>
<div class="line"><a name="l00963"></a><span class="lineno">  963</span>&#160;</div>
<div class="line"><a name="l00964"></a><span class="lineno">  964</span>&#160;        <span class="keywordflow">if</span> (clength &gt; 0) {</div>
<div class="line"><a name="l00965"></a><span class="lineno">  965</span>&#160;            <span class="keywordflow">if</span> (<a class="code" href="qhttpclient_8c.html#a5dd8f813968295a3cfba53c0acaee487">read_</a>(client, NULL, clength) != clength) {</div>
<div class="line"><a name="l00966"></a><span class="lineno">  966</span>&#160;                <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00967"></a><span class="lineno">  967</span>&#160;            }</div>
<div class="line"><a name="l00968"></a><span class="lineno">  968</span>&#160;        }</div>
<div class="line"><a name="l00969"></a><span class="lineno">  969</span>&#160;</div>
<div class="line"><a name="l00970"></a><span class="lineno">  970</span>&#160;        <span class="comment">// close connection if required</span></div>
<div class="line"><a name="l00971"></a><span class="lineno">  971</span>&#160;        <span class="keywordflow">if</span> (client-&gt;keepalive == <span class="keyword">false</span> || client-&gt;connclose == <span class="keyword">true</span>) {</div>
<div class="line"><a name="l00972"></a><span class="lineno">  972</span>&#160;            <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00973"></a><span class="lineno">  973</span>&#160;        }</div>
<div class="line"><a name="l00974"></a><span class="lineno">  974</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00975"></a><span class="lineno">  975</span>&#160;    }</div>
<div class="line"><a name="l00976"></a><span class="lineno">  976</span>&#160;</div>
<div class="line"><a name="l00977"></a><span class="lineno">  977</span>&#160;    <span class="comment">// send data</span></div>
<div class="line"><a name="l00978"></a><span class="lineno">  978</span>&#160;    off_t sent = 0;</div>
<div class="line"><a name="l00979"></a><span class="lineno">  979</span>&#160;    <span class="keywordflow">if</span> (callback != NULL) {</div>
<div class="line"><a name="l00980"></a><span class="lineno">  980</span>&#160;        <span class="keywordflow">if</span> (callback(userdata, sent) == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l00981"></a><span class="lineno">  981</span>&#160;            <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l00982"></a><span class="lineno">  982</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00983"></a><span class="lineno">  983</span>&#160;        }</div>
<div class="line"><a name="l00984"></a><span class="lineno">  984</span>&#160;    }</div>
<div class="line"><a name="l00985"></a><span class="lineno">  985</span>&#160;    <span class="keywordflow">if</span> (length &gt; 0) {</div>
<div class="line"><a name="l00986"></a><span class="lineno">  986</span>&#160;        <span class="keywordflow">while</span> (sent &lt; length) {</div>
<div class="line"><a name="l00987"></a><span class="lineno">  987</span>&#160;            <span class="keywordtype">size_t</span> sendsize;    <span class="comment">// this time sending size</span></div>
<div class="line"><a name="l00988"></a><span class="lineno">  988</span>&#160;            <span class="keywordflow">if</span> (length - sent &lt; MAX_ATOMIC_DATA_SIZE)</div>
<div class="line"><a name="l00989"></a><span class="lineno">  989</span>&#160;                sendsize = length - sent;</div>
<div class="line"><a name="l00990"></a><span class="lineno">  990</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00991"></a><span class="lineno">  991</span>&#160;                sendsize = MAX_ATOMIC_DATA_SIZE;</div>
<div class="line"><a name="l00992"></a><span class="lineno">  992</span>&#160;</div>
<div class="line"><a name="l00993"></a><span class="lineno">  993</span>&#160;            ssize_t ret = <a class="code" href="qhttpclient_8c.html#add20b33d4c87e18756f7023bbc38f22e">sendfile_</a>(client, fd, sendsize);</div>
<div class="line"><a name="l00994"></a><span class="lineno">  994</span>&#160;            <span class="keywordflow">if</span> (ret &lt;= 0)</div>
<div class="line"><a name="l00995"></a><span class="lineno">  995</span>&#160;                <span class="keywordflow">break</span>;  <span class="comment">// Connection closed by peer</span></div>
<div class="line"><a name="l00996"></a><span class="lineno">  996</span>&#160;            sent += ret;</div>
<div class="line"><a name="l00997"></a><span class="lineno">  997</span>&#160;</div>
<div class="line"><a name="l00998"></a><span class="lineno">  998</span>&#160;            <span class="keywordflow">if</span> (callback != NULL) {</div>
<div class="line"><a name="l00999"></a><span class="lineno">  999</span>&#160;                <span class="keywordflow">if</span> (callback(userdata, sent) == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>&#160;                    <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>&#160;                    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>&#160;                }</div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>&#160;            }</div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>&#160;        }</div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>&#160;</div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>&#160;        <span class="keywordflow">if</span> (sent != length) {</div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>&#160;            <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>&#160;        }</div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>&#160;</div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>&#160;        <span class="keywordflow">if</span> (callback != NULL) {</div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>&#160;            <span class="keywordflow">if</span> (callback(userdata, sent) == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>&#160;                <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>&#160;                <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>&#160;            }</div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>&#160;        }</div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>&#160;    }</div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>&#160;</div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>&#160;    <span class="comment">// read response</span></div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>&#160;    clength = 0;</div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>&#160;    resno = <a class="code" href="qhttpclient_8c.html#a865df9ac070a17d0751e1083af770bb1">readresponse</a>(client, resheaders, &amp;clength);</div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>&#160;    <span class="keywordflow">if</span> (rescode != NULL)</div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>&#160;        *rescode = resno;</div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>&#160;</div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>&#160;    <span class="keywordflow">if</span> (resno == HTTP_NO_RESPONSE) {</div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>&#160;        <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>&#160;    }</div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>&#160;</div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>&#160;    <span class="keywordflow">if</span> (clength &gt; 0) {</div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="qhttpclient_8c.html#a5dd8f813968295a3cfba53c0acaee487">read_</a>(client, NULL, clength) != clength) {</div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>&#160;            <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>&#160;        }</div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>&#160;    }</div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>&#160;</div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>&#160;    <span class="comment">// close connection</span></div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>&#160;    <span class="keywordflow">if</span> (client-&gt;keepalive == <span class="keyword">false</span> || client-&gt;connclose == <span class="keyword">true</span>) {</div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>&#160;        <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>&#160;    }</div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>&#160;</div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>&#160;    <span class="keywordflow">if</span> (resno == HTTP_CODE_CREATED)</div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>&#160;}</div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>&#160;<span class="comment"> * qhttpclient-&gt;cmd(): Sends a custom request(method) to the remote host</span></div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>&#160;<span class="comment"> * and reads it&#39;s response.</span></div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>&#160;<span class="comment"> * @param client    qhttpclient object pointer.</span></div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>&#160;<span class="comment"> * @param method    method name.</span></div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>&#160;<span class="comment"> * @param uri       remote URL for uploading file.</span></div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>&#160;<span class="comment"> *                  (&quot;/path&quot; or &quot;http://.../path&quot;)</span></div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>&#160;<span class="comment"> * @param data      data to send. (can be NULL)</span></div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>&#160;<span class="comment"> * @param size      data size.</span></div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>&#160;<span class="comment"> * @param rescode   if not NULL, remote response code will be stored.</span></div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>&#160;<span class="comment"> *                  (can be NULL)</span></div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>&#160;<span class="comment"> * @param contentslength if not NULL, the contents length will be stored.</span></div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>&#160;<span class="comment"> *                       (can be NULL)</span></div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>&#160;<span class="comment"> * @param reqheaders    qlisttbl_t pointer which contains additional user</span></div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>&#160;<span class="comment"> *                      request headers. (can be NULL)</span></div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>&#160;<span class="comment"> * @param resheaders    qlisttbl_t pointer for storing response headers.</span></div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>&#160;<span class="comment"> *                      (can be NULL)</span></div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>&#160;<span class="comment"> * @return malloced content data if successful, otherwise returns NULL</span></div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>&#160;<span class="comment"> *   int nResCode;</span></div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>&#160;<span class="comment"> *   size_t nContentsLength;</span></div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>&#160;<span class="comment"> *   void *contents = httpclient-&gt;cmd(httpclient, &quot;DELETE&quot; &quot;/img/qdecoder.png&quot;,</span></div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>&#160;<span class="comment"> *                                    NULL, 0</span></div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>&#160;<span class="comment"> *                                    &amp;nRescode, &amp;nContentsLength</span></div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>&#160;<span class="comment"> *                                    NULL, NULL);</span></div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>&#160;<span class="comment"> *   if(contents == NULL) {</span></div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>&#160;<span class="comment"> *     ...(error occured)...</span></div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>&#160;<span class="comment"> *   } else {</span></div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>&#160;<span class="comment"> *     printf(&quot;Response code : %d\n&quot;, nResCode);</span></div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>&#160;<span class="comment"> *     printf(&quot;Contents length : %zu\n&quot;, nContentsLength);</span></div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>&#160;<span class="comment"> *     printf(&quot;Contents : %s\n&quot;, (char*)contents);  // if contents is printable</span></div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>&#160;<span class="comment"> *     free(contents);  // de-allocate</span></div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>&#160;<span class="comment"> *   }</span></div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>&#160;<span class="comment"> *  This store server&#39;s response into memory so if you expect server responses</span></div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>&#160;<span class="comment"> *  large amount of data, consider to use sendrequest() and readresponse()</span></div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>&#160;<span class="comment"> *  instead of using this. The returning malloced content will be allocated</span></div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>&#160;<span class="comment"> *  +1 byte than actual content size &#39;contentslength&#39; and will be null</span></div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>&#160;<span class="comment"> *  terminated.</span></div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l01091"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#af152fd3b6a32a801dc70a03119b13154"> 1091</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> *<a class="code" href="qhttpclient_8c.html#af152fd3b6a32a801dc70a03119b13154">cmd</a>(qhttpclient_t *client, <span class="keyword">const</span> <span class="keywordtype">char</span> *method, <span class="keyword">const</span> <span class="keywordtype">char</span> *uri,</div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>&#160;                 <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> size, <span class="keywordtype">int</span> *rescode, <span class="keywordtype">size_t</span> *contentslength,</div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>&#160;                 qlisttbl_t *reqheaders, qlisttbl_t *resheaders) {</div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>&#160;</div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>&#160;    <span class="comment">// reset rescode</span></div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>&#160;    <span class="keywordflow">if</span> (rescode != NULL)</div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>&#160;        *rescode = 0;</div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>&#160;    <span class="keywordflow">if</span> (contentslength != NULL)</div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>&#160;        *contentslength = 0;</div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>&#160;</div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>&#160;    <span class="comment">// send request</span></div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>&#160;    <span class="keywordtype">bool</span> freeReqHeaders = <span class="keyword">false</span>;</div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>&#160;    <span class="keywordflow">if</span> (reqheaders == NULL &amp;&amp; data != NULL &amp;&amp; size &gt; 0) {</div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>&#160;        reqheaders = <a class="code" href="qlisttbl_8c.html#ace8778acce088344531b5249d580aca7">qlisttbl</a>(</div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>&#160;                QLISTTBL_UNIQUE | QLISTTBL_CASEINSENSITIVE);</div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>&#160;        reqheaders-&gt;putstrf(reqheaders, <span class="stringliteral">&quot;Content-Length&quot;</span>, <span class="stringliteral">&quot;%jd&quot;</span>, size);</div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>&#160;        freeReqHeaders = <span class="keyword">true</span>;</div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>&#160;    }</div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>&#160;</div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>&#160;    <span class="keywordtype">bool</span> sendret = <a class="code" href="qhttpclient_8c.html#a1d31e08f7bc114b63cd3140f5f8dc259">sendrequest</a>(client, method, uri, reqheaders);</div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>&#160;    <span class="keywordflow">if</span> (freeReqHeaders == <span class="keyword">true</span>) {</div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>&#160;        reqheaders-&gt;free(reqheaders);</div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>&#160;        reqheaders = NULL;</div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>&#160;    }</div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>&#160;    <span class="keywordflow">if</span> (sendret == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>&#160;        <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>&#160;    }</div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>&#160;</div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>&#160;    <span class="comment">// send data</span></div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>&#160;    <span class="keywordflow">if</span> (data != NULL &amp;&amp; size &gt; 0) {</div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>&#160;        ssize_t written = <a class="code" href="qhttpclient_8c.html#a69254acf43767884d060506b96f5c274">write_</a>(client, data, size);</div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>&#160;        <span class="keywordflow">if</span> (written != size) {</div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>&#160;            <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>&#160;            <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>&#160;        }</div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>&#160;    }</div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>&#160;</div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>&#160;    <span class="comment">// read response</span></div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>&#160;    off_t clength = 0;</div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>&#160;    <span class="keywordtype">int</span> resno = <a class="code" href="qhttpclient_8c.html#a865df9ac070a17d0751e1083af770bb1">readresponse</a>(client, resheaders, &amp;clength);</div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>&#160;    <span class="keywordflow">if</span> (rescode != NULL)</div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>&#160;        *rescode = resno;</div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>&#160;    <span class="keywordflow">if</span> (contentslength != NULL)</div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>&#160;        *contentslength = clength;</div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>&#160;</div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>&#160;    <span class="comment">// malloc data</span></div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>&#160;    <span class="keywordtype">void</span> *content = NULL;</div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>&#160;    <span class="keywordflow">if</span> (clength &gt; 0) {</div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>&#160;        content = malloc(clength + 1);</div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>&#160;        <span class="keywordflow">if</span> (content != NULL) {</div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>&#160;            <span class="keywordflow">if</span> (<a class="code" href="qhttpclient_8c.html#a5dd8f813968295a3cfba53c0acaee487">read_</a>(client, content, clength) == clength) {</div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>&#160;                *(<span class="keywordtype">char</span> *) (content + clength) = <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>&#160;            } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>&#160;                free(content);</div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>&#160;                content = NULL;</div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>&#160;                <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>&#160;            }</div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>&#160;        }</div>
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>&#160;        <span class="comment">// succeed. to distinguish between ok and error</span></div>
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>&#160;        content = strdup(<span class="stringliteral">&quot;&quot;</span>);</div>
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>&#160;    }</div>
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>&#160;</div>
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>&#160;    <span class="comment">// close connection</span></div>
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>&#160;    <span class="keywordflow">if</span> (client-&gt;keepalive == <span class="keyword">false</span> || client-&gt;connclose == <span class="keyword">true</span>) {</div>
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>&#160;        <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(client);</div>
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>&#160;    }</div>
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>&#160;</div>
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>&#160;    <span class="keywordflow">return</span> content;</div>
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>&#160;}</div>
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>&#160;<span class="comment"> * qhttpclient-&gt;sendrequest(): Sends a HTTP request to the remote host.</span></div>
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>&#160;<span class="comment"> * @param client    qhttpclient object pointer</span></div>
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>&#160;<span class="comment"> * @param method    HTTP method name</span></div>
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>&#160;<span class="comment"> * @param uri       URI string for the method. (&quot;/path&quot; or &quot;http://.../path&quot;)</span></div>
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>&#160;<span class="comment"> * @param reqheaders    qlisttbl_t pointer which contains additional user</span></div>
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>&#160;<span class="comment"> *                      request headers. (can be NULL)</span></div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>&#160;<span class="comment"> * @return true if successful, otherwise returns false</span></div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>&#160;<span class="comment"> *  Default headers(Host, User-Agent, Connection) will be used if reqheaders</span></div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>&#160;<span class="comment"> *  does not have those headers in it.</span></div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>&#160;<span class="comment"> *   qlisttbl_t *reqheaders = qlisttbl(QLISTTBL_UNIQUE | QLISTTBL_CASEINSENSITIVE);</span></div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>&#160;<span class="comment"> *   reqheaders-&gt;putstr(reqheaders,  &quot;Date&quot;, qTimeGetGmtStaticStr(0), true);</span></div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>&#160;<span class="comment"> *   httpclient-&gt;sendrequest(client,</span></div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>&#160;<span class="comment"> *                           &quot;DELETE&quot;, &quot;/img/qdecoder.png&quot;, reqheaders);</span></div>
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l01186"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#a1d31e08f7bc114b63cd3140f5f8dc259"> 1186</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="qhttpclient_8c.html#a1d31e08f7bc114b63cd3140f5f8dc259">sendrequest</a>(qhttpclient_t *client, <span class="keyword">const</span> <span class="keywordtype">char</span> *method,</div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>&#160;                        <span class="keyword">const</span> <span class="keywordtype">char</span> *uri, qlisttbl_t *reqheaders) {</div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="qhttpclient_8c.html#aaab09f1f3ab6486633b0ea1c0fd65cd2">open_</a>(client) == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>&#160;    }</div>
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>&#160;</div>
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>&#160;    <span class="comment">// generate request headers if necessary</span></div>
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>&#160;    <span class="keywordtype">bool</span> freeReqHeaders = <span class="keyword">false</span>;</div>
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>&#160;    <span class="keywordflow">if</span> (reqheaders == NULL) {</div>
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>&#160;        reqheaders = <a class="code" href="qlisttbl_8c.html#ace8778acce088344531b5249d580aca7">qlisttbl</a>(</div>
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>&#160;                QLISTTBL_UNIQUE | QLISTTBL_CASEINSENSITIVE);</div>
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>&#160;        <span class="keywordflow">if</span> (reqheaders == NULL)</div>
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>&#160;        freeReqHeaders = <span class="keyword">true</span>;</div>
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>&#160;    }</div>
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>&#160;</div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>&#160;    <span class="comment">// append default headers</span></div>
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>&#160;    <span class="keywordflow">if</span> (reqheaders-&gt;get(reqheaders, <span class="stringliteral">&quot;Host&quot;</span>, NULL, <span class="keyword">false</span>) == NULL) {</div>
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>&#160;        reqheaders-&gt;putstrf(reqheaders, <span class="stringliteral">&quot;Host&quot;</span>, <span class="stringliteral">&quot;%s:%d&quot;</span>, client-&gt;hostname,</div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>&#160;                            client-&gt;port);</div>
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>&#160;    }</div>
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>&#160;    <span class="keywordflow">if</span> (reqheaders-&gt;get(reqheaders, <span class="stringliteral">&quot;User-Agent&quot;</span>, NULL, <span class="keyword">false</span>) == NULL) {</div>
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>&#160;        reqheaders-&gt;putstr(reqheaders, <span class="stringliteral">&quot;User-Agent&quot;</span>, client-&gt;useragent);</div>
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>&#160;    }</div>
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>&#160;    <span class="keywordflow">if</span> (reqheaders-&gt;get(reqheaders, <span class="stringliteral">&quot;Connection&quot;</span>, NULL, <span class="keyword">false</span>) == NULL) {</div>
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>&#160;        reqheaders-&gt;putstr(</div>
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>&#160;                reqheaders, <span class="stringliteral">&quot;Connection&quot;</span>,</div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>&#160;                (client-&gt;keepalive == <span class="keyword">true</span>) ? <span class="stringliteral">&quot;Keep-Alive&quot;</span> : <span class="stringliteral">&quot;close&quot;</span>);</div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>&#160;    }</div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>&#160;</div>
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>&#160;    <span class="comment">// create stream buffer</span></div>
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>&#160;    qgrow_t *outBuf = <a class="code" href="qgrow_8c.html#a3a0165e2eba9d9098f2e448791e8aae9">qgrow</a>(0);</div>
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>&#160;    <span class="keywordflow">if</span> (outBuf == NULL)</div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>&#160;</div>
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>&#160;    <span class="comment">// buffer out command</span></div>
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>&#160;    outBuf-&gt;addstrf(outBuf, <span class="stringliteral">&quot;%s %s %s\r\n&quot;</span>, method, uri,</div>
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>&#160;    HTTP_PROTOCOL_11);</div>
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>&#160;</div>
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>&#160;    <span class="comment">// buffer out headers</span></div>
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>&#160;    qlisttbl_obj_t obj;</div>
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>&#160;    memset((<span class="keywordtype">void</span> *) &amp;obj, 0, <span class="keyword">sizeof</span>(obj));  <span class="comment">// must be cleared before call</span></div>
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>&#160;    reqheaders-&gt;lock(reqheaders);</div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>&#160;    <span class="keywordflow">while</span> (reqheaders-&gt;getnext(reqheaders, &amp;obj, NULL, <span class="keyword">false</span>) == <span class="keyword">true</span>) {</div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>&#160;        outBuf-&gt;addstrf(outBuf, <span class="stringliteral">&quot;%s: %s\r\n&quot;</span>, obj.name, (<span class="keywordtype">char</span> *) obj.data);</div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>&#160;    }</div>
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>&#160;    reqheaders-&gt;unlock(reqheaders);</div>
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>&#160;</div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>&#160;    outBuf-&gt;addstrf(outBuf, <span class="stringliteral">&quot;\r\n&quot;</span>);</div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>&#160;</div>
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>&#160;    <span class="comment">// stream out</span></div>
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>&#160;    <span class="keywordtype">size_t</span> towrite = 0;</div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>&#160;    <span class="keywordtype">char</span> *<span class="keyword">final</span> = outBuf-&gt;toarray(outBuf, &amp;towrite);</div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>&#160;    ssize_t written = 0;</div>
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>&#160;    <span class="keywordflow">if</span> (<span class="keyword">final</span> != NULL) {</div>
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>&#160;        written = <a class="code" href="qhttpclient_8c.html#a69254acf43767884d060506b96f5c274">write_</a>(client, <span class="keyword">final</span>, towrite);</div>
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>&#160;        free(<span class="keyword">final</span>);</div>
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>&#160;    }</div>
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>&#160;</div>
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>&#160;    <span class="comment">// de-allocate</span></div>
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>&#160;    outBuf-&gt;free(outBuf);</div>
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>&#160;    <span class="keywordflow">if</span> (freeReqHeaders == <span class="keyword">true</span>)</div>
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>&#160;        reqheaders-&gt;free(reqheaders);</div>
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>&#160;</div>
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>&#160;    <span class="keywordflow">if</span> (written &gt; 0 &amp;&amp; written == towrite)</div>
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>&#160;}</div>
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>&#160;<span class="comment"> * qhttpclient-&gt;readresponse(): Reads HTTP response header from the</span></div>
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>&#160;<span class="comment"> * remote host.</span></div>
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>&#160;<span class="comment"> * @param client        qhttpclient object pointer</span></div>
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>&#160;<span class="comment"> * @param resheaders    qlisttbl_t pointer for storing response headers.</span></div>
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>&#160;<span class="comment"> *                      (can be NULL)</span></div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>&#160;<span class="comment"> * @param contentlength length of content body(or -1 for chunked transfer</span></div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>&#160;<span class="comment"> *                      encoding) will be stored. (can be NULL)</span></div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>&#160;<span class="comment"> * @return numeric HTTP response code if successful, otherwise returns 0.</span></div>
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>&#160;<span class="comment"> *   // send request</span></div>
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>&#160;<span class="comment"> *   httpclient-&gt;sendrequest(client, &quot;DELETE&quot;, &quot;/img/qdecoder.png&quot;, NULL);</span></div>
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>&#160;<span class="comment"> *   // read response</span></div>
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>&#160;<span class="comment"> *   qlisttbl_t *resheaders = qlisttbl(QLISTTBL_UNIQUE | QLISTTBL_CASEINSENSITIVE);</span></div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>&#160;<span class="comment"> *   off_t clength;</span></div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>&#160;<span class="comment"> *   int rescode = httpclient-&gt;readresponse(client, resheaders, &amp;clength);</span></div>
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>&#160;<span class="comment"> *   if(clength &gt; 0) {</span></div>
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>&#160;<span class="comment"> *     // read &amp; throw out a content. don&#39;t need content</span></div>
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>&#160;<span class="comment"> *     httpclient-&gt;read(client, NULL, clength);</span></div>
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>&#160;<span class="comment"> *   }</span></div>
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>&#160;<span class="comment"> *  Data of content body must be read by a application side, if you want to use</span></div>
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>&#160;<span class="comment"> *  Keep-Alive session. Please refer qhttpclient-&gt;read().</span></div>
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l01285"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#a865df9ac070a17d0751e1083af770bb1"> 1285</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="qhttpclient_8c.html#a865df9ac070a17d0751e1083af770bb1">readresponse</a>(qhttpclient_t *client, qlisttbl_t *resheaders,</div>
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>&#160;                        off_t *contentlength) {</div>
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>&#160;    <span class="keywordflow">if</span> (contentlength != NULL) {</div>
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>&#160;        *contentlength = 0;</div>
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>&#160;    }</div>
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>&#160;</div>
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>&#160;    <span class="comment">// read response</span></div>
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>&#160;    <span class="keywordtype">char</span> buf[1024];</div>
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="qhttpclient_8c.html#ade555b391a0ff83b074eb16a5ba2192f">gets_</a>(client, buf, <span class="keyword">sizeof</span>(buf)) &lt;= 0)</div>
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>&#160;        <span class="keywordflow">return</span> HTTP_NO_RESPONSE;</div>
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>&#160;</div>
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>&#160;    <span class="comment">// parse response code</span></div>
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>&#160;    <span class="keywordflow">if</span> (strncmp(buf, <span class="stringliteral">&quot;HTTP/&quot;</span>, CONST_STRLEN(<span class="stringliteral">&quot;HTTP/&quot;</span>)))</div>
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>&#160;        <span class="keywordflow">return</span> HTTP_NO_RESPONSE;</div>
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>&#160;    <span class="keywordtype">char</span> *tmp = strstr(buf, <span class="stringliteral">&quot; &quot;</span>);</div>
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>&#160;    <span class="keywordflow">if</span> (tmp == NULL)</div>
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>&#160;        <span class="keywordflow">return</span> HTTP_NO_RESPONSE;</div>
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>&#160;    <span class="keywordtype">int</span> rescode = atoi(tmp + 1);</div>
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>&#160;    <span class="keywordflow">if</span> (rescode == 0)</div>
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>&#160;        <span class="keywordflow">return</span> HTTP_NO_RESPONSE;</div>
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>&#160;</div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>&#160;    <span class="comment">// read headers</span></div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>&#160;    <span class="keywordflow">while</span> (<a class="code" href="qhttpclient_8c.html#ade555b391a0ff83b074eb16a5ba2192f">gets_</a>(client, buf, <span class="keyword">sizeof</span>(buf)) &gt; 0) {</div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>&#160;        <span class="keywordflow">if</span> (buf[0] == <span class="charliteral">&#39;\0&#39;</span>)</div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>&#160;</div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>&#160;        <span class="comment">// parse header</span></div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>&#160;        <span class="keywordtype">char</span> *name = buf;</div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>&#160;        <span class="keywordtype">char</span> *value = strstr(buf, <span class="stringliteral">&quot;:&quot;</span>);</div>
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>&#160;        <span class="keywordflow">if</span> (value != NULL) {</div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>&#160;            *value = <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>&#160;            value += 1;</div>
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>&#160;            <a class="code" href="qstring_8c.html#aef51c584fd78c0430ccfb5f51c32cf71">qstrtrim</a>(value);</div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>&#160;            <span class="comment">// missing colon</span></div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>&#160;            value = <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>&#160;        }</div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>&#160;</div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>&#160;        <span class="keywordflow">if</span> (resheaders != NULL) {</div>
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>&#160;            resheaders-&gt;putstr(resheaders, name, value);</div>
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>&#160;        }</div>
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>&#160;</div>
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>&#160;        <span class="comment">// check Connection header</span></div>
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>&#160;        <span class="keywordflow">if</span> (!strcasecmp(name, <span class="stringliteral">&quot;Connection&quot;</span>)) {</div>
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>&#160;            <span class="keywordflow">if</span> (!strcasecmp(value, <span class="stringliteral">&quot;close&quot;</span>)) {</div>
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>&#160;                client-&gt;connclose = <span class="keyword">true</span>;</div>
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>&#160;            }</div>
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>&#160;        }</div>
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>&#160;        <span class="comment">// check Content-Length &amp; Transfer-Encoding header</span></div>
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (contentlength != NULL &amp;&amp; *contentlength == 0) {</div>
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>&#160;            <span class="keywordflow">if</span> (!strcasecmp(name, <span class="stringliteral">&quot;Content-Length&quot;</span>)) {</div>
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>&#160;                *contentlength = atoll(value);</div>
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>&#160;            }</div>
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>&#160;            <span class="comment">// check transfer-encoding header</span></div>
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!strcasecmp(name, <span class="stringliteral">&quot;Transfer-Encoding&quot;</span>)</div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>&#160;                    &amp;&amp; !strcasecmp(value, <span class="stringliteral">&quot;chunked&quot;</span>)) {</div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>&#160;                *contentlength = -1;</div>
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>&#160;            }</div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>&#160;        }</div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>&#160;    }</div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>&#160;</div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>&#160;    <span class="keywordflow">return</span> rescode;</div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>&#160;}</div>
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>&#160;<span class="comment"> * qhttpclient-&gt;gets(): Reads a text line from a HTTP/HTTPS stream.</span></div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>&#160;<span class="comment"> * @param   client      qhttpclient object pointer</span></div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>&#160;<span class="comment"> * @param   buf         data buffer pointer</span></div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>&#160;<span class="comment"> * @param   bufsize     buffer size</span></div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>&#160;<span class="comment"> * @return the number of bytes read from file descriptor if successful,</span></div>
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>&#160;<span class="comment"> *         otherwise returns -1.</span></div>
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>&#160;<span class="comment"> *  Be sure the return value does not mean the length of actual stored data.</span></div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>&#160;<span class="comment"> *  It means how many bytes are read from the file descriptor, so the new-line</span></div>
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>&#160;<span class="comment"> *  characters will be counted, but not stored.</span></div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l01364"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#ade555b391a0ff83b074eb16a5ba2192f"> 1364</a></span>&#160;<span class="keyword">static</span> ssize_t <a class="code" href="qhttpclient_8c.html#ade555b391a0ff83b074eb16a5ba2192f">gets_</a>(qhttpclient_t *client, <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> bufsize) {</div>
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>&#160;<span class="preprocessor">#ifdef ENABLE_OPENSSL</span></div>
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>&#160;<span class="preprocessor"></span>    <span class="keywordflow">if</span> (client-&gt;ssl == NULL) {</div>
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="qio_8c.html#ab7ce64cc8cd837de47c91d1bdcb17cf5">qio_gets</a>(client-&gt;socket, buf, bufsize, client-&gt;timeoutms);</div>
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>&#160;        <span class="keywordflow">if</span> (bufsize &lt;= 1) <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>&#160;</div>
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>&#160;        <span class="keyword">struct </span>SslConn *ssl = client-&gt;ssl;</div>
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>&#160;        ssize_t readcnt = 0;</div>
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>&#160;        <span class="keywordtype">char</span> *ptr;</div>
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>&#160;</div>
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>&#160;        <span class="keywordflow">for</span> (ptr = buf; readcnt &lt; (bufsize - 1); ptr++) {</div>
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>&#160;            <span class="comment">// wait readable</span></div>
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>&#160;            <span class="comment">//if (qio_wait_readable(client-&gt;socket, client-&gt;timeoutms) &lt;= 0) {</span></div>
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>&#160;            <span class="comment">//    break;</span></div>
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>&#160;            <span class="comment">//}</span></div>
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>&#160;</div>
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>&#160;            <span class="keywordtype">int</span> rsize = SSL_read(ssl-&gt;ssl, ptr, 1);</div>
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>&#160;            <span class="keywordflow">if</span> (rsize != 1) {</div>
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>&#160;                <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> sslerr = ERR_get_error();</div>
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>&#160;                <span class="keywordflow">if</span> (sslerr == SSL_ERROR_WANT_READ) {</div>
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>&#160;                    <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>&#160;                }</div>
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>&#160;</div>
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>&#160;                DEBUG(<span class="stringliteral">&quot;OpenSSL: %s (%d)&quot;</span>,</div>
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>&#160;                        ERR_reason_error_string(sslerr), rsize);</div>
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>&#160;            }</div>
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>&#160;</div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>&#160;            readcnt++;</div>
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>&#160;            <span class="keywordflow">if</span> (*ptr == <span class="charliteral">&#39;\r&#39;</span>) ptr--;</div>
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*ptr == <span class="charliteral">&#39;\n&#39;</span>) <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>&#160;        }</div>
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>&#160;</div>
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>&#160;        *ptr = <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>&#160;        DEBUG(<span class="stringliteral">&quot;SSL_read: %s (%zd)&quot;</span>, buf, readcnt);</div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>&#160;</div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>&#160;        <span class="keywordflow">if</span> (readcnt &gt; 0) <span class="keywordflow">return</span> readcnt;</div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>&#160;    }</div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>&#160;<span class="preprocessor"></span>    <span class="keywordflow">return</span> <a class="code" href="qio_8c.html#ab7ce64cc8cd837de47c91d1bdcb17cf5">qio_gets</a>(client-&gt;socket, buf, bufsize, client-&gt;timeoutms);</div>
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>&#160;<span class="preprocessor"></span>}</div>
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>&#160;<span class="comment"> * qhttpclient-&gt;read(): Reads data from a HTTP/HTTPS stream.</span></div>
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>&#160;<span class="comment"> * @param client    qhttpclient object pointer.</span></div>
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>&#160;<span class="comment"> * @param buf       a buffer pointer for storing content. (can be NULL, then</span></div>
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>&#160;<span class="comment"> *                  read &amp; throw out content)</span></div>
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>&#160;<span class="comment"> * @param length    content size to read.</span></div>
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>&#160;<span class="comment"> * @return number of bytes readed</span></div>
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>&#160;<span class="comment"> *   off_t clength = 0;</span></div>
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>&#160;<span class="comment"> *   int resno = client-&gt;readresponse(client, NULL, &amp;clength);</span></div>
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>&#160;<span class="comment"> *   if(clength &gt; 0) {</span></div>
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>&#160;<span class="comment"> *     void *buf = malloc(clength);</span></div>
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>&#160;<span class="comment"> *     client-&gt;read(client, buf, clength);</span></div>
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>&#160;<span class="comment"> *   }</span></div>
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l01428"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#a5dd8f813968295a3cfba53c0acaee487"> 1428</a></span>&#160;<span class="keyword">static</span> ssize_t <a class="code" href="qhttpclient_8c.html#a5dd8f813968295a3cfba53c0acaee487">read_</a>(qhttpclient_t *client, <span class="keywordtype">void</span> *buf, <span class="keywordtype">size_t</span> nbytes) {</div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>&#160;<span class="preprocessor">#ifdef ENABLE_OPENSSL</span></div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>&#160;<span class="preprocessor"></span>    <span class="keywordflow">if</span> (client-&gt;ssl == NULL) {</div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="qio_8c.html#aa34911362f1793ed1e744d3eb63500db">qio_read</a>(client-&gt;socket, buf, nbytes, client-&gt;timeoutms);</div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>&#160;        <span class="keywordflow">if</span> (nbytes == 0) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>&#160;</div>
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>&#160;        <span class="keyword">struct </span>SslConn *ssl = client-&gt;ssl;</div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>&#160;        ssize_t total = 0;</div>
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>&#160;        <span class="keywordflow">while</span> (total &lt; nbytes) {</div>
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>&#160;            <span class="comment">//if (qio_wait_readable(client-&gt;socket, client-&gt;timeoutms) &lt;= 0) {</span></div>
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>&#160;            <span class="comment">//    break;</span></div>
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>&#160;            <span class="comment">//}</span></div>
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>&#160;</div>
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>&#160;            <span class="keywordtype">int</span> rsize = 0;</div>
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>&#160;            <span class="keywordflow">if</span> (buf != NULL) {</div>
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>&#160;                rsize = SSL_read(ssl-&gt;ssl, buf + total, nbytes - total);</div>
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>&#160;            } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>&#160;                <span class="keywordtype">char</span> trash[1024];</div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>&#160;                <span class="keywordtype">int</span> toread = nbytes - total;</div>
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>&#160;                <span class="keywordflow">if</span> (toread &gt; <span class="keyword">sizeof</span>(trash)) toread = <span class="keyword">sizeof</span>(trash);</div>
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>&#160;                rsize = SSL_read(ssl-&gt;ssl, trash, toread);</div>
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>&#160;            }</div>
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>&#160;            <span class="keywordflow">if</span> (rsize &lt;= 0) {</div>
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>&#160;                DEBUG(<span class="stringliteral">&quot;OpenSSL: %s (%d)&quot;</span>,</div>
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>&#160;                        ERR_reason_error_string(ERR_get_error()), rsize);</div>
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>&#160;                <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> sslerr = ERR_get_error();</div>
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>&#160;                <span class="keywordflow">if</span> (sslerr == SSL_ERROR_WANT_READ) {</div>
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>&#160;                    usleep(1);</div>
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>&#160;                    <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>&#160;                }</div>
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>&#160;            }</div>
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>&#160;            total += rsize;</div>
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>&#160;        }</div>
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>&#160;</div>
<div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>&#160;        DEBUG(<span class="stringliteral">&quot;SSL_read: %zd&quot;</span>, total);</div>
<div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>&#160;        <span class="keywordflow">if</span> (total &gt; 0) <span class="keywordflow">return</span> total;</div>
<div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>&#160;    }</div>
<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>&#160;<span class="preprocessor"></span>    <span class="keywordflow">return</span> <a class="code" href="qio_8c.html#aa34911362f1793ed1e744d3eb63500db">qio_read</a>(client-&gt;socket, buf, nbytes, client-&gt;timeoutms);</div>
<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>&#160;<span class="preprocessor"></span>}</div>
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>&#160;<span class="comment"> * qhttpclient-&gt;write(): Writes data to a HTTP/HTTPS stream.</span></div>
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>&#160;<span class="comment"> * @param client    qhttpclient object pointer.</span></div>
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>&#160;<span class="comment"> * @param buf       a data pointer.</span></div>
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>&#160;<span class="comment"> * @param length    content size to write.</span></div>
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>&#160;<span class="comment"> * @return number of bytes written.</span></div>
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l01482"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#a69254acf43767884d060506b96f5c274"> 1482</a></span>&#160;<span class="keyword">static</span> ssize_t <a class="code" href="qhttpclient_8c.html#a69254acf43767884d060506b96f5c274">write_</a>(qhttpclient_t *client, <span class="keyword">const</span> <span class="keywordtype">void</span> *buf, <span class="keywordtype">size_t</span> nbytes) {</div>
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>&#160;<span class="preprocessor">#ifdef ENABLE_OPENSSL</span></div>
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>&#160;<span class="preprocessor"></span>    <span class="keywordflow">if</span> (client-&gt;ssl == NULL) {</div>
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="qio_8c.html#a0645cf0a3bcfc79ee3829012243d46d8">qio_write</a>(client-&gt;socket, buf, nbytes, -1);</div>
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>&#160;        <span class="keywordflow">if</span> (nbytes == 0) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>&#160;</div>
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>&#160;        <span class="keyword">struct </span>SslConn *ssl = client-&gt;ssl;</div>
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>&#160;        ssize_t total = 0;</div>
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>&#160;        <span class="keywordflow">while</span> (total &lt; nbytes) {</div>
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>&#160;            errno = 0;</div>
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>&#160;            <span class="keywordtype">int</span> wsize = SSL_write(ssl-&gt;ssl, buf + total, nbytes - total);</div>
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>&#160;            <span class="keywordflow">if</span> (wsize &lt;= 0) {</div>
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>&#160;                DEBUG(<span class="stringliteral">&quot;OpenSSL: %s (%d)&quot;</span>,</div>
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>&#160;                        ERR_reason_error_string(ERR_get_error()), wsize);</div>
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>&#160;                <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> sslerr = ERR_get_error();</div>
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>&#160;                <span class="keywordflow">if</span> (sslerr == SSL_ERROR_WANT_WRITE) {</div>
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>&#160;                    usleep(1);</div>
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>&#160;                    <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>&#160;                }</div>
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>&#160;            }</div>
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>&#160;            total += wsize;</div>
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>&#160;        }</div>
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>&#160;</div>
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>&#160;        DEBUG(<span class="stringliteral">&quot;SSL_write: %zd/%zu&quot;</span>, total, nbytes);</div>
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>&#160;        <span class="keywordflow">if</span> (total &gt; 0) <span class="keywordflow">return</span> total;</div>
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>&#160;    }</div>
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>&#160;<span class="preprocessor"></span>    <span class="keywordflow">return</span> <a class="code" href="qio_8c.html#a0645cf0a3bcfc79ee3829012243d46d8">qio_write</a>(client-&gt;socket, buf, nbytes, -1);</div>
<div class="line"><a name="l01513"></a><span class="lineno"> 1513</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>&#160;<span class="preprocessor"></span>}</div>
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>&#160;<span class="comment"> * qhttpclient-&gt;recvfile(): Reads data from a HTTP/HTTPS stream and save</span></div>
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>&#160;<span class="comment"> * into a file descriptor.</span></div>
<div class="line"><a name="l01519"></a><span class="lineno"> 1519</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>&#160;<span class="comment"> * @param   client      qhttpclient object pointer.</span></div>
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>&#160;<span class="comment"> * @param   fd          output file descriptor</span></div>
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span>&#160;<span class="comment"> * @param   nbytes      the number of bytes to read and save.</span></div>
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>&#160;<span class="comment"> * @return the number of bytes written if successful, otherwise returns -1.</span></div>
<div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l01526"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#a2036374892fed2d1eff6eee25dcbfd9b"> 1526</a></span>&#160;<span class="keyword">static</span> off_t <a class="code" href="qhttpclient_8c.html#a2036374892fed2d1eff6eee25dcbfd9b">recvfile</a>(qhttpclient_t *client, <span class="keywordtype">int</span> fd, off_t nbytes) {</div>
<div class="line"><a name="l01527"></a><span class="lineno"> 1527</span>&#160;    <span class="keywordflow">if</span> (nbytes == 0)</div>
<div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>&#160;        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>&#160;</div>
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> buf[MAX_ATOMIC_DATA_SIZE];</div>
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>&#160;</div>
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>&#160;    off_t total = 0;  <span class="comment">// total size sent</span></div>
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>&#160;    <span class="keywordflow">while</span> (total &lt; nbytes) {</div>
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>&#160;        <span class="keywordtype">size_t</span> chunksize;  <span class="comment">// this time sending size</span></div>
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>&#160;        <span class="keywordflow">if</span> (nbytes - total &lt;= <span class="keyword">sizeof</span>(buf))</div>
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>&#160;            chunksize = nbytes - total;</div>
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>&#160;            chunksize = <span class="keyword">sizeof</span>(buf);</div>
<div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>&#160;</div>
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>&#160;        <span class="comment">// read</span></div>
<div class="line"><a name="l01541"></a><span class="lineno"> 1541</span>&#160;        ssize_t rsize = <a class="code" href="qhttpclient_8c.html#a5dd8f813968295a3cfba53c0acaee487">read_</a>(client, buf, chunksize);</div>
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>&#160;        <span class="keywordflow">if</span> (rsize &lt;= 0)</div>
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>&#160;</div>
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>&#160;        <span class="comment">// write</span></div>
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>&#160;        ssize_t wsize = <a class="code" href="qio_8c.html#a0645cf0a3bcfc79ee3829012243d46d8">qio_write</a>(fd, buf, rsize, -1);</div>
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>&#160;        DEBUG(<span class="stringliteral">&quot;FILE write: %zd&quot;</span>, wsize);</div>
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>&#160;        <span class="keywordflow">if</span> (wsize &lt;= 0)</div>
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>&#160;</div>
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>&#160;        total += wsize;</div>
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>&#160;        <span class="keywordflow">if</span> (rsize != wsize) {</div>
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>&#160;            DEBUG(<span class="stringliteral">&quot;size mismatch. read:%zd, write:%zd&quot;</span>, rsize, wsize);</div>
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>&#160;        }</div>
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>&#160;    }</div>
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>&#160;</div>
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>&#160;    <span class="keywordflow">if</span> (total &gt; 0)</div>
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>&#160;        <span class="keywordflow">return</span> total;</div>
<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>&#160;    <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>&#160;}</div>
<div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>&#160;<span class="comment"> * qhttpclient-&gt;sendfile(): Send file data to a HTTP/HTTPS stream.</span></div>
<div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>&#160;<span class="comment"> * @param   client      qhttpclient object pointer.</span></div>
<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>&#160;<span class="comment"> * @param   fd          input file descriptor</span></div>
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>&#160;<span class="comment"> * @param   nbytes      the number of bytes to read and send.</span></div>
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>&#160;<span class="comment"> * @return the number of bytes sent if successful, otherwise returns -1.</span></div>
<div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l01572"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#add20b33d4c87e18756f7023bbc38f22e"> 1572</a></span>&#160;<span class="keyword">static</span> off_t <a class="code" href="qhttpclient_8c.html#add20b33d4c87e18756f7023bbc38f22e">sendfile_</a>(qhttpclient_t *client, <span class="keywordtype">int</span> fd, off_t nbytes) {</div>
<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>&#160;    <span class="keywordflow">if</span> (nbytes == 0)</div>
<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>&#160;        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>&#160;</div>
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> buf[MAX_ATOMIC_DATA_SIZE];</div>
<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>&#160;</div>
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>&#160;    off_t total = 0;  <span class="comment">// total size sent</span></div>
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>&#160;    <span class="keywordflow">while</span> (total &lt; nbytes) {</div>
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>&#160;        <span class="keywordtype">size_t</span> chunksize;  <span class="comment">// this time sending size</span></div>
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>&#160;        <span class="keywordflow">if</span> (nbytes - total &lt;= <span class="keyword">sizeof</span>(buf))</div>
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>&#160;            chunksize = nbytes - total;</div>
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>&#160;            chunksize = <span class="keyword">sizeof</span>(buf);</div>
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>&#160;</div>
<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>&#160;        <span class="comment">// read</span></div>
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>&#160;        ssize_t rsize = <a class="code" href="qio_8c.html#aa34911362f1793ed1e744d3eb63500db">qio_read</a>(fd, buf, chunksize, -1);</div>
<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>&#160;        DEBUG(<span class="stringliteral">&quot;FILE read: %zd&quot;</span>, rsize);</div>
<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>&#160;        <span class="keywordflow">if</span> (rsize &lt;= 0)</div>
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>&#160;</div>
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>&#160;        <span class="comment">// write</span></div>
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>&#160;        ssize_t wsize = <a class="code" href="qhttpclient_8c.html#a69254acf43767884d060506b96f5c274">write_</a>(client, buf, rsize);</div>
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>&#160;        <span class="keywordflow">if</span> (wsize &lt;= 0)</div>
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>&#160;</div>
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>&#160;        total += wsize;</div>
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>&#160;        <span class="keywordflow">if</span> (rsize != wsize) {</div>
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>&#160;            DEBUG(<span class="stringliteral">&quot;size mismatch. read:%zd, write:%zd&quot;</span>, rsize, wsize);</div>
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>&#160;        }</div>
<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>&#160;    }</div>
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>&#160;</div>
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>&#160;    <span class="keywordflow">if</span> (total &gt; 0)</div>
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>&#160;        <span class="keywordflow">return</span> total;</div>
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>&#160;    <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>&#160;}</div>
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>&#160;<span class="comment"> * qhttpclient-&gt;close(): Closes the connection.</span></div>
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>&#160;<span class="comment"> * @param qhttpclient_t  HTTP object pointer</span></div>
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>&#160;<span class="comment"> * @return true if successful, otherwise returns false</span></div>
<div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>&#160;<span class="comment"> *   httpclient-&gt;close(httpclient);</span></div>
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l01620"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555"> 1620</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a>(qhttpclient_t *client) {</div>
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>&#160;    <span class="keywordflow">if</span> (client-&gt;socket &lt; 0)</div>
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>&#160;</div>
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>&#160;<span class="preprocessor">#ifdef ENABLE_OPENSSL</span></div>
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>&#160;<span class="preprocessor"></span>    <span class="comment">// release ssl connection</span></div>
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>&#160;    <span class="keywordflow">if</span> (client-&gt;ssl != NULL) {</div>
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>&#160;        <span class="keyword">struct </span>SslConn *ssl = client-&gt;ssl;</div>
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>&#160;</div>
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>&#160;        <span class="keywordflow">if</span> (ssl-&gt;ssl != NULL) {</div>
<div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>&#160;            SSL_shutdown(ssl-&gt;ssl);</div>
<div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>&#160;            SSL_free(ssl-&gt;ssl);</div>
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>&#160;            ssl-&gt;ssl = NULL;</div>
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>&#160;        }</div>
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>&#160;</div>
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>&#160;        <span class="keywordflow">if</span> (ssl-&gt;ctx != NULL) {</div>
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>&#160;            SSL_CTX_free(ssl-&gt;ctx);</div>
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>&#160;            ssl-&gt;ctx = NULL;</div>
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>&#160;        }</div>
<div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>&#160;    }</div>
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>&#160;    <span class="comment">// shutdown connection</span></div>
<div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>&#160;    <span class="keywordflow">if</span> (client-&gt;ssl == NULL &amp;&amp; MAX_SHUTDOWN_WAIT &gt;= 0</div>
<div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>&#160;            &amp;&amp; shutdown(client-&gt;socket, SHUT_WR) == 0) {</div>
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>&#160;        <span class="keywordtype">char</span> buf[1024];</div>
<div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>&#160;        <span class="keywordflow">while</span> (<a class="code" href="qio_8c.html#aa34911362f1793ed1e744d3eb63500db">qio_read</a>(client-&gt;socket, buf, <span class="keyword">sizeof</span>(buf), MAX_SHUTDOWN_WAIT) &gt; 0);</div>
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>&#160;    }</div>
<div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>&#160;</div>
<div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>&#160;    <span class="comment">// close connection</span></div>
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>&#160;    close(client-&gt;socket);</div>
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>&#160;    client-&gt;socket = -1;</div>
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>&#160;    client-&gt;connclose = <span class="keyword">false</span>;</div>
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>&#160;</div>
<div class="line"><a name="l01654"></a><span class="lineno"> 1654</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>&#160;}</div>
<div class="line"><a name="l01656"></a><span class="lineno"> 1656</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>&#160;<span class="comment"> * qhttpclient-&gt;free(): Free object.</span></div>
<div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>&#160;<span class="comment"> * @param qhttpclient_t  HTTP object pointer</span></div>
<div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>&#160;<span class="comment"> *  If the connection was not closed, it will close the connection first prior</span></div>
<div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>&#160;<span class="comment"> *  to de-allocate object.</span></div>
<div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>&#160;<span class="comment"> *   httpclient-&gt;free(httpclient);</span></div>
<div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l01670"></a><span class="lineno"><a class="line" href="qhttpclient_8c.html#a7a0cda760109d998ee40b94b665ef0ca"> 1670</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="qhttpclient_8c.html#a7a0cda760109d998ee40b94b665ef0ca">_free</a>(qhttpclient_t *client) {</div>
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</span>&#160;    <span class="keywordflow">if</span> (client-&gt;socket &gt;= 0) {</div>
<div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>&#160;        client-&gt;close(client);</div>
<div class="line"><a name="l01673"></a><span class="lineno"> 1673</span>&#160;    }</div>
<div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>&#160;</div>
<div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>&#160;    <span class="keywordflow">if</span> (client-&gt;ssl != NULL)</div>
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>&#160;        free(client-&gt;ssl);</div>
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>&#160;    <span class="keywordflow">if</span> (client-&gt;hostname != NULL)</div>
<div class="line"><a name="l01678"></a><span class="lineno"> 1678</span>&#160;        free(client-&gt;hostname);</div>
<div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>&#160;    <span class="keywordflow">if</span> (client-&gt;useragent != NULL)</div>
<div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>&#160;        free(client-&gt;useragent);</div>
<div class="line"><a name="l01681"></a><span class="lineno"> 1681</span>&#160;</div>
<div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>&#160;    free(client);</div>
<div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>&#160;}</div>
<div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>&#160;</div>
<div class="line"><a name="l01685"></a><span class="lineno"> 1685</span>&#160;<span class="preprocessor">#ifndef _DOXYGEN_SKIP</span></div>
<div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>&#160;<span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">bool</span> _set_socket_option(<span class="keywordtype">int</span> socket) {</div>
<div class="line"><a name="l01687"></a><span class="lineno"> 1687</span>&#160;    <span class="keywordtype">bool</span> ret = <span class="keyword">true</span>;</div>
<div class="line"><a name="l01688"></a><span class="lineno"> 1688</span>&#160;</div>
<div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>&#160;    <span class="comment">// linger option</span></div>
<div class="line"><a name="l01690"></a><span class="lineno"> 1690</span>&#160;    <span class="keywordflow">if</span> (SET_TCP_LINGER_TIMEOUT &gt; 0) {</div>
<div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>&#160;        <span class="keyword">struct </span>linger li;</div>
<div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>&#160;        li.l_onoff = 1;</div>
<div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>&#160;        li.l_linger = SET_TCP_LINGER_TIMEOUT;</div>
<div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>&#160;        <span class="keywordflow">if</span> (setsockopt(socket, SOL_SOCKET, SO_LINGER, &amp;li,</div>
<div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>&#160;                       <span class="keyword">sizeof</span>(<span class="keyword">struct</span> linger)) &lt; 0) {</div>
<div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>&#160;            ret = <span class="keyword">false</span>;</div>
<div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>&#160;        }</div>
<div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>&#160;    }</div>
<div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>&#160;</div>
<div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>&#160;    <span class="comment">// nodelay option</span></div>
<div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>&#160;    <span class="keywordflow">if</span> (SET_TCP_NODELAY &gt; 0) {</div>
<div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>&#160;        <span class="keywordtype">int</span> so_tcpnodelay = 1;</div>
<div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>&#160;        <span class="keywordflow">if</span> (setsockopt(socket, IPPROTO_TCP, TCP_NODELAY, &amp;so_tcpnodelay,</div>
<div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>&#160;                       <span class="keyword">sizeof</span>(so_tcpnodelay)) &lt; 0) {</div>
<div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>&#160;            ret = <span class="keyword">false</span>;</div>
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>&#160;        }</div>
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>&#160;    }</div>
<div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>&#160;</div>
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>&#160;    <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>&#160;}</div>
<div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>&#160;</div>
<div class="line"><a name="l01712"></a><span class="lineno"> 1712</span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> _parse_uri(<span class="keyword">const</span> <span class="keywordtype">char</span> *uri, <span class="keywordtype">bool</span> *protocol, <span class="keywordtype">char</span> *hostname,</div>
<div class="line"><a name="l01713"></a><span class="lineno"> 1713</span>&#160;                       <span class="keywordtype">size_t</span> namesize, <span class="keywordtype">int</span> *port) {</div>
<div class="line"><a name="l01714"></a><span class="lineno"> 1714</span>&#160;</div>
<div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>&#160;    <span class="keywordflow">if</span> (!strncasecmp(uri, <span class="stringliteral">&quot;http://&quot;</span>, CONST_STRLEN(<span class="stringliteral">&quot;http://&quot;</span>))) {</div>
<div class="line"><a name="l01716"></a><span class="lineno"> 1716</span>&#160;        *protocol = <span class="keyword">false</span>;</div>
<div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>&#160;        *port = 80;</div>
<div class="line"><a name="l01718"></a><span class="lineno"> 1718</span>&#160;    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!strncasecmp(uri, <span class="stringliteral">&quot;https://&quot;</span>, CONST_STRLEN(<span class="stringliteral">&quot;https://&quot;</span>))) {</div>
<div class="line"><a name="l01719"></a><span class="lineno"> 1719</span>&#160;        *protocol = <span class="keyword">true</span>;</div>
<div class="line"><a name="l01720"></a><span class="lineno"> 1720</span>&#160;        *port = 443;</div>
<div class="line"><a name="l01721"></a><span class="lineno"> 1721</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01722"></a><span class="lineno"> 1722</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l01723"></a><span class="lineno"> 1723</span>&#160;    }</div>
<div class="line"><a name="l01724"></a><span class="lineno"> 1724</span>&#160;</div>
<div class="line"><a name="l01725"></a><span class="lineno"> 1725</span>&#160;    <span class="keywordtype">char</span> *t1 = strstr(uri, <span class="stringliteral">&quot;://&quot;</span>);</div>
<div class="line"><a name="l01726"></a><span class="lineno"> 1726</span>&#160;    t1 += 3;</div>
<div class="line"><a name="l01727"></a><span class="lineno"> 1727</span>&#160;    <span class="keywordtype">char</span> *t2 = strstr(t1, <span class="stringliteral">&quot;/&quot;</span>);</div>
<div class="line"><a name="l01728"></a><span class="lineno"> 1728</span>&#160;    <span class="keywordflow">if</span> (t2 == NULL)</div>
<div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>&#160;        t2 = (<span class="keywordtype">char</span> *) uri + strlen(uri);</div>
<div class="line"><a name="l01730"></a><span class="lineno"> 1730</span>&#160;</div>
<div class="line"><a name="l01731"></a><span class="lineno"> 1731</span>&#160;    <span class="keywordflow">if</span> (t2 - t1 + 1 &gt; namesize)</div>
<div class="line"><a name="l01732"></a><span class="lineno"> 1732</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l01733"></a><span class="lineno"> 1733</span>&#160;    <a class="code" href="qstring_8c.html#ae656735491546fa512358935c381e19a">qstrncpy</a>(hostname, namesize, t1, t2 - t1);</div>
<div class="line"><a name="l01734"></a><span class="lineno"> 1734</span>&#160;</div>
<div class="line"><a name="l01735"></a><span class="lineno"> 1735</span>&#160;    t1 = strstr(hostname, <span class="stringliteral">&quot;:&quot;</span>);</div>
<div class="line"><a name="l01736"></a><span class="lineno"> 1736</span>&#160;    <span class="keywordflow">if</span> (t1 != NULL) {</div>
<div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>&#160;        *t1 = <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>&#160;        *port = atoi(t1 + 1);</div>
<div class="line"><a name="l01739"></a><span class="lineno"> 1739</span>&#160;    }</div>
<div class="line"><a name="l01740"></a><span class="lineno"> 1740</span>&#160;</div>
<div class="line"><a name="l01741"></a><span class="lineno"> 1741</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l01742"></a><span class="lineno"> 1742</span>&#160;}</div>
<div class="line"><a name="l01743"></a><span class="lineno"> 1743</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* _DOXYGEN_SKIP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01744"></a><span class="lineno"> 1744</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01745"></a><span class="lineno"> 1745</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* DISABLE_QHTTPCLIENT */</span><span class="preprocessor"></span></div>
<div class="ttc" id="qhttpclient_8c_html_a6154b9124c5a57bccfb2dc47c791e555"><div class="ttname"><a href="qhttpclient_8c.html#a6154b9124c5a57bccfb2dc47c791e555">_close</a></div><div class="ttdeci">static bool _close(qhttpclient_t *client)</div><div class="ttdoc">qhttpclient-&gt;close(): Closes the connection. </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l01620">qhttpclient.c:1620</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_a7ee9c5a86a3f561a5dcfe201ff20c350"><div class="ttname"><a href="qhttpclient_8c.html#a7ee9c5a86a3f561a5dcfe201ff20c350">setkeepalive</a></div><div class="ttdeci">static void setkeepalive(qhttpclient_t *client, bool keepalive)</div><div class="ttdoc">qhttpclient-&gt;setkeepalive(): Sets KEEP-ALIVE feature on/off. </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l00380">qhttpclient.c:380</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_ade555b391a0ff83b074eb16a5ba2192f"><div class="ttname"><a href="qhttpclient_8c.html#ade555b391a0ff83b074eb16a5ba2192f">gets_</a></div><div class="ttdeci">static ssize_t gets_(qhttpclient_t *client, char *buf, size_t bufsize)</div><div class="ttdoc">qhttpclient-&gt;gets(): Reads a text line from a HTTP/HTTPS stream. </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l01364">qhttpclient.c:1364</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_a12e0c5c0a30dafae0ece655d6095a75c"><div class="ttname"><a href="qhttpclient_8c.html#a12e0c5c0a30dafae0ece655d6095a75c">settimeout</a></div><div class="ttdeci">static void settimeout(qhttpclient_t *client, int timeoutms)</div><div class="ttdoc">qhttpclient-&gt;settimeout(): Sets connection wait timeout. </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l00363">qhttpclient.c:363</a></div></div>
<div class="ttc" id="qio_8c_html_ab7ce64cc8cd837de47c91d1bdcb17cf5"><div class="ttname"><a href="qio_8c.html#ab7ce64cc8cd837de47c91d1bdcb17cf5">qio_gets</a></div><div class="ttdeci">ssize_t qio_gets(int fd, char *buf, size_t bufsize, int timeoutms)</div><div class="ttdoc">Read a line from a file descriptor into the buffer pointed to until either a terminating newline or E...</div><div class="ttdef"><b>Definition:</b> <a href="qio_8c_source.html#l00257">qio.c:257</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_a1d31e08f7bc114b63cd3140f5f8dc259"><div class="ttname"><a href="qhttpclient_8c.html#a1d31e08f7bc114b63cd3140f5f8dc259">sendrequest</a></div><div class="ttdeci">static bool sendrequest(qhttpclient_t *client, const char *method, const char *uri, qlisttbl_t *reqheaders)</div><div class="ttdoc">qhttpclient-&gt;sendrequest(): Sends a HTTP request to the remote host. </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l01186">qhttpclient.c:1186</a></div></div>
<div class="ttc" id="qsocket_8c_html_a4285c6dd3c52560f3d471f332f6558bc"><div class="ttname"><a href="qsocket_8c.html#a4285c6dd3c52560f3d471f332f6558bc">qsocket_get_addr</a></div><div class="ttdeci">bool qsocket_get_addr(struct sockaddr_in *addr, const char *hostname, int port)</div><div class="ttdoc">Convert hostname to sockaddr_in structure. </div><div class="ttdef"><b>Definition:</b> <a href="qsocket_8c_source.html#l00134">qsocket.c:134</a></div></div>
<div class="ttc" id="qlisttbl_8c_html_ace8778acce088344531b5249d580aca7"><div class="ttname"><a href="qlisttbl_8c.html#ace8778acce088344531b5249d580aca7">qlisttbl</a></div><div class="ttdeci">qlisttbl_t * qlisttbl(int options)</div><div class="ttdoc">Create a new Q_LIST linked-list container. </div><div class="ttdef"><b>Definition:</b> <a href="qlisttbl_8c_source.html#l00150">qlisttbl.c:150</a></div></div>
<div class="ttc" id="qstring_8c_html_ae656735491546fa512358935c381e19a"><div class="ttname"><a href="qstring_8c.html#ae656735491546fa512358935c381e19a">qstrncpy</a></div><div class="ttdeci">char * qstrncpy(char *dst, size_t size, const char *src, size_t nbytes)</div><div class="ttdoc">Copy src string to dst no more than n bytes. </div><div class="ttdef"><b>Definition:</b> <a href="qstring_8c_source.html#l00339">qstring.c:339</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_add20b33d4c87e18756f7023bbc38f22e"><div class="ttname"><a href="qhttpclient_8c.html#add20b33d4c87e18756f7023bbc38f22e">sendfile_</a></div><div class="ttdeci">static off_t sendfile_(qhttpclient_t *client, int fd, off_t nbytes)</div><div class="ttdoc">qhttpclient-&gt;sendfile(): Send file data to a HTTP/HTTPS stream. </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l01572">qhttpclient.c:1572</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_af152fd3b6a32a801dc70a03119b13154"><div class="ttname"><a href="qhttpclient_8c.html#af152fd3b6a32a801dc70a03119b13154">cmd</a></div><div class="ttdeci">static void * cmd(qhttpclient_t *client, const char *method, const char *uri, void *data, size_t size, int *rescode, size_t *contentslength, qlisttbl_t *reqheaders, qlisttbl_t *resheaders)</div><div class="ttdoc">qhttpclient-&gt;cmd(): Sends a custom request(method) to the remote host and reads it&#39;s response...</div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l01091">qhttpclient.c:1091</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_ae9ac3bd43c11509c0cbd8fb284bf13eb"><div class="ttname"><a href="qhttpclient_8c.html#ae9ac3bd43c11509c0cbd8fb284bf13eb">put</a></div><div class="ttdeci">static bool put(qhttpclient_t *client, const char *uri, int fd, off_t length, int *rescode, qlisttbl_t *reqheaders, qlisttbl_t *resheaders, bool(*callback)(void *userdata, off_t sentbytes), void *userdata)</div><div class="ttdoc">qhttpclient-&gt;put(): Uploads a file to the remote host using PUT method. </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l00918">qhttpclient.c:918</a></div></div>
<div class="ttc" id="qstring_8c_html_aef51c584fd78c0430ccfb5f51c32cf71"><div class="ttname"><a href="qstring_8c.html#aef51c584fd78c0430ccfb5f51c32cf71">qstrtrim</a></div><div class="ttdeci">char * qstrtrim(char *str)</div><div class="ttdoc">Remove white spaces(including CR, LF) from head and tail of the string. </div><div class="ttdef"><b>Definition:</b> <a href="qstring_8c_source.html#l00055">qstring.c:55</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_af6bffb8f3d215b7225da20a6832bf440"><div class="ttname"><a href="qhttpclient_8c.html#af6bffb8f3d215b7225da20a6832bf440">setuseragent</a></div><div class="ttdeci">static void setuseragent(qhttpclient_t *client, const char *useragent)</div><div class="ttdoc">qhttpclient-&gt;setuseragent(): Sets user-agent string. </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l00394">qhttpclient.c:394</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_a69254acf43767884d060506b96f5c274"><div class="ttname"><a href="qhttpclient_8c.html#a69254acf43767884d060506b96f5c274">write_</a></div><div class="ttdeci">static ssize_t write_(qhttpclient_t *client, const void *buf, size_t nbytes)</div><div class="ttdoc">qhttpclient-&gt;write(): Writes data to a HTTP/HTTPS stream. </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l01482">qhttpclient.c:1482</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_a7a0cda760109d998ee40b94b665ef0ca"><div class="ttname"><a href="qhttpclient_8c.html#a7a0cda760109d998ee40b94b665ef0ca">_free</a></div><div class="ttdeci">static void _free(qhttpclient_t *client)</div><div class="ttdoc">qhttpclient-&gt;free(): Free object. </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l01670">qhttpclient.c:1670</a></div></div>
<div class="ttc" id="qstring_8c_html_aa0fc982fbf9c6163d98cbb46e6faa86d"><div class="ttname"><a href="qstring_8c.html#aa0fc982fbf9c6163d98cbb46e6faa86d">qstrcpy</a></div><div class="ttdeci">char * qstrcpy(char *dst, size_t size, const char *src)</div><div class="ttdoc">Copy src string to dst. </div><div class="ttdef"><b>Definition:</b> <a href="qstring_8c_source.html#l00320">qstring.c:320</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_a5c8eb3bb63df37fe248d858715894870"><div class="ttname"><a href="qhttpclient_8c.html#a5c8eb3bb63df37fe248d858715894870">setssl</a></div><div class="ttdeci">static bool setssl(qhttpclient_t *client)</div><div class="ttdoc">qhttpclient-&gt;setssl(): Sets connection to HTTPS connection </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l00323">qhttpclient.c:323</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_a865df9ac070a17d0751e1083af770bb1"><div class="ttname"><a href="qhttpclient_8c.html#a865df9ac070a17d0751e1083af770bb1">readresponse</a></div><div class="ttdeci">static int readresponse(qhttpclient_t *client, qlisttbl_t *resheaders, off_t *contentlength)</div><div class="ttdoc">qhttpclient-&gt;readresponse(): Reads HTTP response header from the remote host. </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l01285">qhttpclient.c:1285</a></div></div>
<div class="ttc" id="qio_8c_html_aa34911362f1793ed1e744d3eb63500db"><div class="ttname"><a href="qio_8c.html#aa34911362f1793ed1e744d3eb63500db">qio_read</a></div><div class="ttdeci">ssize_t qio_read(int fd, void *buf, size_t nbytes, int timeoutms)</div><div class="ttdoc">Read from a file descriptor. </div><div class="ttdef"><b>Definition:</b> <a href="qio_8c_source.html#l00118">qio.c:118</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_acba5e1d5c9b1666945f7b0ca4da0785b"><div class="ttname"><a href="qhttpclient_8c.html#acba5e1d5c9b1666945f7b0ca4da0785b">qhttpclient</a></div><div class="ttdeci">qhttpclient_t * qhttpclient(const char *destname, int port)</div><div class="ttdoc">Initialize &amp; create new HTTP client. </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l00245">qhttpclient.c:245</a></div></div>
<div class="ttc" id="qgrow_8c_html_a3a0165e2eba9d9098f2e448791e8aae9"><div class="ttname"><a href="qgrow_8c.html#a3a0165e2eba9d9098f2e448791e8aae9">qgrow</a></div><div class="ttdeci">qgrow_t * qgrow(int options)</div><div class="ttdoc">Initialize grow. </div><div class="ttdef"><b>Definition:</b> <a href="qgrow_8c_source.html#l00134">qgrow.c:134</a></div></div>
<div class="ttc" id="qio_8c_html_ac905811f0daa394ffef7beab68585a55"><div class="ttname"><a href="qio_8c.html#ac905811f0daa394ffef7beab68585a55">qio_wait_writable</a></div><div class="ttdeci">int qio_wait_writable(int fd, int timeoutms)</div><div class="ttdoc">Test &amp; wait until the file descriptor is ready for writing. </div><div class="ttdef"><b>Definition:</b> <a href="qio_8c_source.html#l00087">qio.c:87</a></div></div>
<div class="ttc" id="qio_8c_html_a0645cf0a3bcfc79ee3829012243d46d8"><div class="ttname"><a href="qio_8c.html#a0645cf0a3bcfc79ee3829012243d46d8">qio_write</a></div><div class="ttdeci">ssize_t qio_write(int fd, const void *buf, size_t nbytes, int timeoutms)</div><div class="ttdoc">Write to a file descriptor. </div><div class="ttdef"><b>Definition:</b> <a href="qio_8c_source.html#l00159">qio.c:159</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_a2036374892fed2d1eff6eee25dcbfd9b"><div class="ttname"><a href="qhttpclient_8c.html#a2036374892fed2d1eff6eee25dcbfd9b">recvfile</a></div><div class="ttdeci">static off_t recvfile(qhttpclient_t *client, int fd, off_t nbytes)</div><div class="ttdoc">qhttpclient-&gt;recvfile(): Reads data from a HTTP/HTTPS stream and save into a file descriptor...</div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l01526">qhttpclient.c:1526</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_a5dd8f813968295a3cfba53c0acaee487"><div class="ttname"><a href="qhttpclient_8c.html#a5dd8f813968295a3cfba53c0acaee487">read_</a></div><div class="ttdeci">static ssize_t read_(qhttpclient_t *client, void *buf, size_t nbytes)</div><div class="ttdoc">qhttpclient-&gt;read(): Reads data from a HTTP/HTTPS stream. </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l01428">qhttpclient.c:1428</a></div></div>
<div class="ttc" id="qio_8c_html_a8a695a43ebb605d243e56ad48937862e"><div class="ttname"><a href="qio_8c.html#a8a695a43ebb605d243e56ad48937862e">qio_wait_readable</a></div><div class="ttdeci">int qio_wait_readable(int fd, int timeoutms)</div><div class="ttdoc">Test &amp; wait until the file descriptor has readable data. </div><div class="ttdef"><b>Definition:</b> <a href="qio_8c_source.html#l00059">qio.c:59</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_ac3c34055be115314ffe7f18c3d19eb54"><div class="ttname"><a href="qhttpclient_8c.html#ac3c34055be115314ffe7f18c3d19eb54">head</a></div><div class="ttdeci">static bool head(qhttpclient_t *client, const char *uri, int *rescode, qlisttbl_t *reqheaders, qlisttbl_t *resheaders)</div><div class="ttdoc">qhttpclient-&gt;head(): Sends a HEAD request. </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l00553">qhttpclient.c:553</a></div></div>
<div class="ttc" id="qhttpclient_8c_html_aaab09f1f3ab6486633b0ea1c0fd65cd2"><div class="ttname"><a href="qhttpclient_8c.html#aaab09f1f3ab6486633b0ea1c0fd65cd2">open_</a></div><div class="ttdeci">static bool open_(qhttpclient_t *client)</div><div class="ttdoc">qhttpclient-&gt;open(): Opens a connection to the remote host. </div><div class="ttdef"><b>Definition:</b> <a href="qhttpclient_8c_source.html#l00417">qhttpclient.c:417</a></div></div>
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